317 lines
11 KiB
Markdown
317 lines
11 KiB
Markdown
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# Overview of technological requirements
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## Basic system
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Components which are installed directly as part of the basic virtual machine.
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### Alpine linux
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- **General description:** Operating system
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- **Tech. description:** Lightweight linux distribution based on musl C libraries
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- **Depends on:** -
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- **Used by:** Everything
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- **Related skills:** EXTLINUX / ISOLINUX, git, linux administration (cron, filesystems, iptables, networking, user/group mgmt etc.), LUKS, LVM, OpenRC init system, POSIX standards, s6 init system, shell scripting
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### Acme.sh
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- **General description:** Certificate renewal tool
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- **Tech. description:** Shell-based Automated Certificate Management Environment client
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- **Depends on:** -
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- **Used by:** nginx, VMMgr
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- **Related skills:** shell scripting, SSL/TLS
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### Nginx
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- **General description:** Web server
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- **Tech. description:** Lightweight HTTP server
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- **Depends on:** -
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- **Used by:** All application containers, VMMgr
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- **Related skills:** HTTP (proxying, rewriting)
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### LXC
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- **General description:** Container virtualization host
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- **Tech. description:** Operating system-level container virtualization host
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- **Depends on:** -
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- **Used by:** All containers
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- **Related skills:** container virtualization fundamentals, linux kernel (cgroups, overlayfs, seccomp), shell scripting
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### Postfix
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- **General description:** Mail server
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- **Tech. description:** Outbound mail transfer agent
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- **Depends on:** -
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- **Used by:** All application containers
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- **Related skills:** SMTP
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### VMMgr
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- **General description:** Virtual machine and application manager web interface
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- **Tech. description:** In-house Werkzeug-based virtual machine and application manager WSGI application
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- **Depends on:** Nginx, LXC, Python 3
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- **Used by:** User
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- **Related skills:** JSON, python 3 frameworks and modules (cryptography, jinja2, requests, subprocess, werkzeug), shell scripting, WSGI application development
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## Runtimes
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Components which are supplied as LXC overlay layers but don't run as standalone containers
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### Java
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- **General description:** Java runtime environment
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- **Tech. description:** Java OpenJDK 8 runtime environment
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- **Depends on:** -
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- **Used by:** ActiveMQ, FrontlineSMS, Tomcat, CrisisCleanup, MifosX, Motech, OpenDataKit, OpenMapKit, Sigmah, Solr
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- **Related skills:** -
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### Node.js
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- **General description:** JavaScript runtime environment
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- **Tech. description:** Server-side Node.js 8 JavaScript runtime environment
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- **Depends on:** -
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- **Used by:** CrisisCleanup, GNU Health, Odoo, OpenDataKit Build, OpenMapKit
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- **Related skills:** HTTP (proxying), JavaScript (language overview)
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### PHP
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- **General description:** PHP 7 runtime environment
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- **Tech. description:** PHP 7 hypertext preprocessor scripting runtime
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- **Depends on:** -
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- **Used by:** KanBoard, SeedDMS, Ushahidi
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- **Related skills:** HTTP (proxying), PHP 7 (language overview), PHP-FPM
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### Python 2
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- **General description:** Python 2 runtime environment
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- **Tech. description:** Python 2 runtime environemnt and standard libraries
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- **Depends on:** -
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- **Used by:** CKAN, CKAN DataPusher, CTS, OpenMapKit, Sahana Eden
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- **Related skills:** linux compilation toolchain (header files, gcc, make etc.), pip, python (language overview)
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### Python 3
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- **General description:** Python 3 runtime environment
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- **Tech. description:** Python 3 runtime environemnt and standard libraries
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- **Depends on:** -
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- **Used by:** GNU Health, Odoo, Pan.do/ra, SeedDMS, VMMgr (doesn't use container)
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- **Related skills:** linux compilation toolchain (header files, gcc, make etc.), pip, python (language overview)
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### Ruby
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- **General description:** Ruby runtime environment
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- **Tech. description:** Ruby 2.4 runtime environment and gem package installer
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- **Depends on:** -
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- **Used by:** CrisisCleanup, OpenDataKit Build
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- **Related skills:** linux compilation toolchain (header files, gcc, make etc.)
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### Tomcat
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- **General description:** Lightweight Java application server
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- **Tech. description:** Java application JSP and servlet container
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- **Depends on:** Java
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- **Used by:** MifosX, Motech, OpenDataKit, Sigmah
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- **Related skills:** JVM tuning, shell scripting
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## Components
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Components which are supplied as LXC containers required by other applications but aren't exposed directly to the end user
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### ActiveMQ
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- **General description:** Message broker middleware
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- **Tech. description:** Java-based message broker and messaging server
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- **Depends on:** Java
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- **Used by:** Motech
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- **Related skills:** JVM tuning, XML
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### MariaDB
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- **General description:** MySQL database server
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- **Tech. description:** MySQL-compatible relational database management system
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- **Depends on:** -
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- **Used by:** MifosX, Ushahidi
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- **Related skills:** SQL (language overview)
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### Postgres
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- **General description:** PostgreSQL database server
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- **Tech. description:** PostgreSQL relational database management system
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- **Depends on:** -
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- **Used by:** CKAN, CrisisCleanup, CTS, GNU Health, KanBoard, Motech, Odoo, OpenDataKit, OpenDataKit Build, OpenMapKit, Pan.do/ra, Sahana Eden, SeedDMS, Sigmah
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- **Related skills:** SQL (language overview)
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### RabbitMQ
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- **General description:** Message broker middleware
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- **Tech. description:** Erlang-based message broker and messaging server
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- **Depends on:** -
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- **Used by:** Pan.do/ra
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- **Related skills:** -
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### Redis
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- **General description:** Key-value NoSQL database server
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- **Tech. description:** In-memory NoSQL key-value data structure object store
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- **Depends on:** -
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- **Used by:** CKAN
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- **Related skills:** -
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### Solr
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- **General description:** Full-text search server
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- **Tech. description:** Apache Lucene-based full-text search and indexing platform
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- **Depends on:** Java
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- **Used by:** CKAN
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- **Related skills:** shell scripting, JVM tuning
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## Applications
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Components which are supplied as LXC containers exposed directly to the end user
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### CKAN
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- **General description:** Data management and data store system
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- **Tech. description:** Flask-based data store application
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- **Depends on:** CKAN DataPusher, Postgres, Python 2, Redis, Solr
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- **Used by:** User
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- **Related skills:** PostGIS, python frameworks and modules (flask, paster, setuptools), Solr core configuration
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### CKAN DataPusher
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- **General description:** Data file parser for CKAN
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- **Tech. description:** Python-based data file parser service for CKAN
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- **Depends on:** Python 2
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- **Used by:** CKAN
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- **Related skills:** MIME types identification, WSGI application development
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### CrisisCleanup
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- **General description:** Disaster response and relief coordination
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- **Tech. description:** Ruby-on-Rails-based application with Node.js-generated frontend assets
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- **Depends on:** LibXML, Node.js, Postgres, Ruby
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- **Used by:** User
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- **Related skills:** Node.js build systems (npm, yarn), Ruby build systems and frameworks (Bundle, Devise, Gems, Rails, Rake)
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### CTS
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- **General description:** Commodity tracking system
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- **Tech. description:** Django-based forms applicaton
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- **Depends on:** Postgres, Python 2
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- **Used by:** User
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- **Related skills:** python frameworks (Django), WSGI application development
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### FrontlineSMS
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- **General description:** Bulk text messaging
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- **Tech. description:** Spring-based application for modem device access
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- **Depends on:** Java
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- **Used by:** User
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- **Related skills:** Java build systems and frameworks (grails, Spring), Jetty, linux modem/tty handling, Xorg (X server)
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### GNU Health
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- **General description:** Hospital information system (ERP)
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- **Tech. description:** Tryton-based form application RPC backend with Node.js-based frontend
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- **Depends on:** Node.js, Postgres, Python3
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- **Used by:** User
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- **Related skills:** Node.js build systems (grunt, npm), python modules (setuptools, virtualenv)
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### KanBoard
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- **General description:** Kanban project management
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- **Tech. description:** Symfony-based forms application
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- **Depends on:** PHP, Postgres
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- **Used by:** User
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- **Related skills:** PHP build systems and frameworks (Composer, Symfony)
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### MifosX
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- **General description:**
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- **Tech. description:** Spring-based forms application RPC backend with Node.js-packed frontend
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- **Depends on:** MariaDB, Tomcat
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- **Used by:** User
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- **Related skills:** Java frameworks (Spring), Node.js and JavaScript development (Angular, Bower, Grunt)
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### Motech
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- **General description:**
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- **Tech. description:** Apache Felix-based forms application
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- **Depends on:** ActiveMQ, Postgres, Tomcat
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- **Used by:** User
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- **Related skills:** Java frameworks (Apache Felix, Spring)
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### Odoo
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- **General description:**
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- **Tech. description:** Werkzeug-based forms application RPC backend with Node.js-based frontend
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- **Depends on:** Node.js, Postgres, Python 3
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- **Used by:** User
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- **Related skills:** WSGI application development
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### OpenDataKit
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- **General description:**
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- **Tech. description:** Spring and OpenRosa-based data store application
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- **Depends on:** Postgres, Tomcat
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- **Used by:** User
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- **Related skills:** Java build systems and frameworks (Gradle, Spring)
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### OpenDataKit Build
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- **General description:**
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- **Tech. description:** Ruby-based forms application with Node.js-based data converter
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- **Depends on:** Node.js, Ruby
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- **Used by:** User
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- **Related skills:** Node.js build systems (npm), Ruby build systems and frameworks (Bundler, Rake)
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### OpenMapKit
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- **General description:**
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- **Tech. description:** Node.js-based forms application with python2 dependencies
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- **Depends on:** Node.js, Postgres, Python 2
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- **Used by:** User
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- **Related skills:** JavaScript development, Node.js build systems (Yarn)
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### Pan.do/ra
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- **General description:**
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- **Tech. description:** Python-based media store with Javascript-based frontend
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- **Depends on:** Postgres, Python 3, RabbitMQ
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- **Used by:** User
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- **Related skills:** ffmpeg, imagemagick, JavaScript development (oxjs)
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### Sahana Eden
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- **General description:**
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- **Tech. description:** Web2py-based forms application
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- **Depends on:** Postgres, Python 2
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- **Used by:** User
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- **Related skills:** PostGIS, python frameworks and modules (requests, selenium, Web2py)
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### SeedDMS
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- **General description:**
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- **Tech. description:** PHP-based data store application with Lucene-based fulltext index
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- **Depends on:** PHP, Postgres
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- **Used by:** User
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- **Related skills:** Apache Lucene, ghostscript, LibreOffice (unoconv), imagemagick, MIME types identification
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### Sigmah
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- **General description:**
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- **Tech. description:** Apache Commons-based forms application
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- **Depends on:** Postgres, Tomcat
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- **Used by:** User
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- **Related skills:** Java development (hibernate, log4j)
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### Ushahidi
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- **General description:**
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- **Tech. description:** Laravel-based RPC backend with Angular-based frontend
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- **Depends on:** MariaDB, PHP
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- **Used by:** User
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- **Related skills:** JavaScript build tools and frameworks (Angular, Babel, WebPck), PHP build tools and frameworks (composer, Laravel, phinx)
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