Open Source and Third Party Technologies

Mobile application modules

List of Open Source and Third Party Technologies used for development of Customized Version of the Core Software (mobile application modules)

Name, Link	Platform	Summary	License
freetype https://www.freetype.org/	Android	FreeType is a freely available software library to render fonts.	FTL
libcurl https://curl.haxx.se/libcurl/	Android	A command line tool and library for transferring data with URL syntax, supporting FTP, FTPS, HTTP, HTTPS, GOPHER, TFTP, SCP, SFTP, TELNET, DICT, LDAP, LDAPS, FILE, IMAP, SMTP, POP3, RTSP and RTMP.	MIT
SQLite https://www.sqlite.org	Android iOS	SQLite is an in-process library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine.	Public domain (free for use for any purpose)
SQLite Encryption Extension (SEE) https://www.sqlite.org/see	Android iOS	SQLite with SQLite Encryption Extension, as alternative to public domain version of SQLite	perpetual
mbed TLS https://tls.mbed.org/	Android	mbed TLS (formerly known as PolarSSL) makes it trivially easy for developers to include cryptographic and SSL/TLS capabilities in their (embedded) products, facilitating this functionality with a minimal coding footprint.	Apache 2.0
libpng http://www.libpng.org	Android	Free reference library for reading and writing PNGs	Open Source (zlib/libpng, free for use)
zlib https://www.zlib.net/	Android	Free Compression Library	Open Source (zlib/libpng, free for use)
UnicodeConv	Android iOS	Conversions between UTF32, UTF-16, and UTF-8.	Free for use
miniZip http://www.winimage.com/...	Android iOS	Zip compression library	Free for use

MedM Backend application modules

List of Open Source and Third Party Technologies used for development of Customized Version of the Core Software (server software modules)

Name	Summary	License type
CentOS	Operating System	GPL and others
Rocky Linux	Operating System	https://rockylinux.org/legal/licensing
Alma Linux	Operating System	https://almalinux.org/p/the-almalinux-os-licensing-policy/
Nginx	Front-facing Web Server	BSD-like
Postgresql	Database Server	https://www.postgresql.org/about/licence/
SQLite	SQL database engine	https://www.sqlite.org/copyright.html
Unicorn	Backend Web server	Ruby
DelayedJob	Background tasks processor	MIT License
ImageMagick	Image processing library	https://www.imagemagick.org/script/license.php
xz	Archiver	Public Domain + (partly) GNU LGPLv2.1, GNU GPLv2, or GNU GPLv3
zip	Archiver	http://www.info-zip.org/license.html
ntpd	Time syncronizing daemon	GNU General Public License
Ansible	Automation tool (deployment, provisioning)	GNU General Public License
Ruby	Programming language	https://www.ruby-lang.org/en/about/license.txt
newrelic-agent	Newrelic server monitoring agent	MIT & Ruby
newrelic-ng-agent	Newrelic nginx monitoring	MIT & Ruby
ClamAV	Open-source antivirus engine for detecting trojans, viruses, malware & other malicious threats.	Attribution-NoDerivs 2.5 Generic
acme.sh	Shell script to automatically issue & renew SSL certificates.	GNU General Public License v3.0
Node.js	JavaScript runtime environment	MIT
RVM	Version manager tool for Ruby	Apache License 2.0

Gem list

Name	Summary	License
actioncable	WebSocket framework for Rails.	MIT
actionmailbox	Inbound email handling framework.	MIT
actionmailer	Email composition and delivery framework (part of Rails).	MIT
actionpack	Web-flow and rendering framework putting the VC in MVC (part of Rails).	MIT
actiontext	Rich text framework.	MIT
actionview	Rendering framework putting the V in MVC (part of Rails).	MIT
active_storage_validations	Validations for Active Storage	MIT
activejob	Job framework with pluggable queues.	MIT
activemodel	A toolkit for building modeling frameworks (part of Rails).	MIT
activemodel-serializers-xml	XML serialization for your Active Model objects and Active Record models - extracted from Rails	MIT
activerecord	Object-relational mapper framework (part of Rails).	MIT
activestorage	Local and cloud file storage framework.	MIT
activesupport	A toolkit of support libraries and Ruby core extensions extracted from the Rails framework.	MIT
acts_as_commentable_with_threading	Polymorphic comments Rails gem - Rails 4+ only	MIT
addressable	URI Implementation	Apache-2.0
aes_key_wrap	A Ruby implementation of AES Key Wrap, a.k.a RFC 3394, a.k.a NIST Key Wrap.	MIT
amka	AMKA/Luhn IDs Generator and Validator	MIT
android_key_attestation	Android key attestation verification	MIT
apnotic	Apnotic is an Apple Push Notification gem able to provide instant feedback.	MIT
autoprefixer-rails	Parse CSS and add vendor prefixes to CSS rules using values from the Can I Use website.	MIT
awesome_nested_set	An awesome nested set implementation for Active Record	MIT
awrence	Camelize your snake keys when working with JSON APIs	MIT
base64	Support for encoding and decoding binary data using a Base64 representation.	Ruby
bcrypt	OpenBSD's bcrypt() password hashing algorithm.	MIT
bigdecimal	Arbitrary-precision decimal floating-point number library.	Ruby
bindata	A declarative way to read and write binary file formats	BSD-2-Clause
bootsnap	Boot large ruby/rails apps faster	MIT
bootstrap-datepicker-rails	A date picker for Twitter Bootstrap	MIT
bootstrap-daterangepicker-rails	Rails 4.1x plugin to allow for the easy use of Dan Grossman's Bootstrap DateRangePicker	Apache License v2.0
bootstrap-sass	bootstrap-sass is a Sass-powered version of Bootstrap 3, ready to drop right into your Sass powered applications.	MIT
bugsnag	Ruby notifier for bugsnag.com	MIT
builder	Builders for MarkUp.	MIT
bundler	The best way to manage your application's dependencies	MIT
cairo	Ruby bindings for cairo	Ruby
cairo-gobject	Ruby/CairoGObject is a Ruby binding of cairo-gobject.	LGPL-2.1+
carrierwave	Ruby file upload library	MIT
carrierwave_backgrounder	Offload CarrierWave's image processing and storage to a background process using Delayed Job, Resque, Sidekiq, Qu, Queue Classic or Girl Friday	MIT
caxlsx	Excel OOXML (xlsx) with charts, styles, images and autowidth columns.	MIT
cbor	CBOR, Concise Binary Object Representation.	Apache-2.0
chunky_png	Pure ruby library for read/write, chunk-level access to PNG files	MIT
clamby	Scan file uploads with ClamAV	MIT
clipboard-rails	Provides the clipboard.js Javascript library for Rails application.	MIT
coderay	Fast syntax highlighting for selected languages.	MIT
coffee-rails	CoffeeScript adapter for the Rails asset pipeline.	MIT
coffee-script	Ruby CoffeeScript Compiler	MIT
coffee-script-source	The CoffeeScript Compiler	MIT
concurrent-ruby	Modern concurrency tools for Ruby. Inspired by Erlang, Clojure, Scala, Haskell, F#, C#, Java, and classic concurrency patterns.	MIT
config	Effortless multi-environment settings in Rails, Sinatra, Padrino and others	MIT
connection_pool	Generic connection pool for Ruby	MIT
cookies_eu	Displays a cookie consent. If you dont disable cokkies in settings, we assume you are ok with us using cookies	MIT
cose	Ruby implementation of RFC 8152 CBOR Object Signing and Encryption (COSE)	MIT
countries	Gives you a country object full of all sorts of useful information.	MIT
country_select	Country Select Plugin	MIT
crass	CSS parser based on the CSS Syntax Level 3 spec.	MIT
csv	CSV Reading and Writing	Ruby
d3-rails	D3 for Rails Asset Pipeline	MIT
daemons	A toolkit to create and control daemons in different ways	MIT
date	A subclass of Object includes Comparable module for handling dates.	Ruby
declarative	DSL for nested schemas.	MIT
deep_merge	Merge Deeply Nested Hashes	MIT
delayed_job	Database-backed asynchronous priority queue system -- Extracted from Shopify	MIT
delayed_job_active_record	ActiveRecord backend for DelayedJob	MIT
delayed_job_web	Web interface for delayed_job inspired by resque	MIT
dependent-fields-rails	DependentFields makes it easy to hide or show dependent fields in forms based on select or checkbox values	MIT
digest-crc	A Cyclic Redundancy Check (CRC) library for Ruby.	MIT
domain_name	Domain Name manipulation library for Ruby	BSD-2-Clause
doorkeeper	OAuth 2 provider for Rails and Grape	MIT
draper	View Models for Rails	MIT
drb	Distributed object system for Ruby	Ruby
dry-configurable	A mixin to add configuration functionality to your classes	MIT
dry-core	A toolset of small support modules used throughout the dry-rb ecosystem	MIT
dry-inflector	String inflections for dry-rb	MIT
dry-initializer	DSL for declaring params and options of the initializer	MIT
dry-logic	Predicate logic with rule composition	MIT
dry-schema	Coercion and validation for data structures	MIT
dry-types	Type system for Ruby supporting coercions, constraints and complex types like structs, value objects, enums etc	MIT
dry-validation	Validation library	MIT
erubi	Small ERB Implementation	MIT
et-orbi	time with zones	MIT
execjs	Run JavaScript code from Ruby	MIT
fancybox-rails	Use FancyBox with the Rails asset pipeline	MIT
faraday	HTTP/REST API client library.	MIT
faraday-em_http	Faraday adapter for Em::Http	MIT
faraday-em_synchrony	Faraday adapter for EM::Synchrony	MIT
faraday-excon	Faraday adapter for Excon	MIT
faraday-httpclient	Faraday adapter for HTTPClient	MIT
faraday-multipart	Perform multipart-post requests using Faraday.	MIT
faraday-net_http	Faraday adapter for Net::HTTP	MIT
faraday-net_http_persistent	Faraday adapter for NetHttpPersistent	MIT
faraday-patron	Faraday adapter for Patron	MIT
faraday-rack	Faraday adapter for Rack	MIT
faraday-retry	Catches exceptions and retries each request a limited number of times	MIT
fcm	Reliably deliver messages and notifications via FCM	MIT
ffi	Ruby FFI	BSD-3-Clause
fiddle	A libffi wrapper for Ruby.	Ruby
foreman	Process manager for applications with multiple components	MIT
fugit	time tools for flor	MIT
gapic-common	Common code for GAPIC-generated API clients	Apache-2.0
gdk_pixbuf2	Ruby/GdkPixbuf2 is a Ruby binding of GdkPixbuf-2.x.	LGPL-2.1+
get_process_mem	Use GetProcessMem to find out the amount of RAM used by any process	MIT
gio2	Ruby/GIO2 is a Ruby binding of gio-2.x.	LGPL-2.1+
glib2	Ruby/GLib2 is a Ruby binding of GLib-2.x.	LGPL-2.1+
globalid	Refer to any model with a URI: gid://app/class/id	MIT
gobject-introspection	Ruby/GObjectIntrospection is a Ruby binding of GObject Introspection.	LGPL-2.1+
google-apis-androidpublisher_v3	Simple REST client for Google Play Android Developer API V3	Apache-2.0
google-apis-core	Common utility and base classes for legacy Google REST clients	Apache-2.0
google-cloud-core	Internal shared library for google-cloud-ruby	Apache-2.0
google-cloud-env	Google Cloud Platform hosting environment information.	Apache-2.0
google-cloud-errors	Error classes for google-cloud-ruby	Apache-2.0
google-cloud-pubsub	API Client library for Google Cloud Pub/Sub	Apache-2.0
google-cloud-pubsub-v1	Provides reliable, many-to-many, asynchronous messaging between applications.	Apache-2.0
google-iam-v1	Manages access control for Google Cloud Platform resources.	Apache-2.0
google-protobuf	Protocol Buffers	BSD-3-Clause
googleapis-common-protos	Common gRPC and protocol buffer classes used in Google APIs	Apache-2.0
googleapis-common-protos-types	Common protocol buffer types used in Google APIs	Apache-2.0
googleauth	Google Auth Library for Ruby	Apache-2.0
grpc	GRPC system in Ruby	Apache-2.0
grpc-google-iam-v1	Common protos and gRPC services for Google IAM	Apache-2.0
haml	An elegant, structured (X)HTML/XML templating engine.	MIT
hashie	Your friendly neighborhood hash library.	MIT
htmlentities	Encode/decode HTML entities	MIT
http-2	Pure-ruby HTTP 2.0 protocol implementation	MIT
http-accept	Parse Accept and Accept-Language HTTP headers.	MIT
http-cookie	A Ruby library to handle HTTP Cookies based on RFC 6265	MIT
httparty	Makes http fun! Also, makes consuming restful web services dead easy.	MIT
httpclient	gives something like the functionality of libwww-perl (LWP) in Ruby	ruby
i18n	New wave Internationalization support for Ruby	MIT
image_processing	High-level wrapper for processing images for the web with ImageMagick or libvips.	MIT
importmap-rails	Use ESM with importmap to manage modern JavaScript in Rails without transpiling or bundling.	MIT
jquery-rails	Use jQuery with Rails 4+	MIT
jquery-ui-rails	jQuery UI packaged for the Rails asset pipeline	MIT
js_cookie_rails	Adds js-cookie to the Rails asset pipeline.	MIT
json	JSON Implementation for Ruby	Ruby
json-jwt	JSON Web Token and its family (JSON Web Signature, JSON Web Encryption and JSON Web Key) in Ruby	MIT
json-schema	Ruby JSON Schema Validator	MIT
jwt	JSON Web Token implementation in Ruby	MIT
kaminari	A pagination engine plugin for Rails 4+ and other modern frameworks	MIT
kaminari-actionview	Kaminari Action View adapter	MIT
kaminari-activerecord	Kaminari Active Record adapter	MIT
kaminari-core	Kaminari's core pagination library	MIT
kgio	kinder, gentler I/O for Ruby	LGPL-2.1+
lograge	Tame Rails' multi-line logging into a single line per request	MIT
loofah	Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri.	MIT
mail	Mail provides a nice Ruby DSL for making, sending and reading emails.	MIT
mailgun-ruby	Mailgun's Official Ruby SDK	Apache-2.0
marcel	Simple mime type detection using magic numbers, filenames, and extensions	MIT
matrix	An implementation of Matrix and Vector classes.	Ruby
maxminddb	MaxMind DB binary file reader.	MIT
memoist	memoize methods invocation	MIT
method_source	retrieve the sourcecode for a method	MIT
mime-types	The mime-types library provides a library and registry for information about MIME content type definitions	MIT
mime-types-data	mime-types-data provides a registry for information about MIME media type definitions	MIT
mimemagic	Fast mime detection by extension or content	MIT
mini_magick	Manipulate images with minimal use of memory via ImageMagick / GraphicsMagick	MIT
mini_mime	A lightweight mime type lookup toy	MIT
mini_portile2	Simple autoconf and cmake builder for developers	MIT
minitest	minitest provides a complete suite of testing facilities supporting TDD, BDD, mocking, and benchmarking	MIT
momentjs-rails	The Moment.js JavaScript library ready to play with Rails.	MIT
money	A Ruby Library for dealing with money and currency conversion.	MIT
msgpack	MessagePack, a binary-based efficient data interchange format.	Apache 2.0
multi_json	A common interface to multiple JSON libraries.	MIT
multi_xml	A generic swappable back-end for XML parsing	MIT
multipart-post	A multipart form post accessory for Net::HTTP.	MIT
mustermann	Your personal string matching expert.	MIT
mutex_m	Mixin to extend objects to be handled like a Mutex.	Ruby
native-package-installer	native-package-installer helps to install native packages on "gem install"	LGPL-3+
net-http2	NetHttp2 is an HTTP2 client for Ruby.	MIT
net-imap	Ruby client api for Internet Message Access Protocol	Ruby
net-pop	Ruby client library for POP3.	Ruby
net-protocol	The abstract interface for net-* client.	Ruby
net-smtp	Simple Mail Transfer Protocol client library for Ruby.	Ruby
netrc	Library to read and write netrc files.	MIT
newrelic_rpm	New Relic Ruby Agent	Apache-2.0
nio4r	New IO for Ruby	MIT
nokogiri	Nokogiri (鋸) makes it easy and painless to work with XML and HTML from Ruby.	MIT
oauth	OAuth Core Ruby implementation	MIT
oauth2	A Ruby wrapper for the OAuth 2.0 protocol.	MIT
observer	Implementation of the Observer object-oriented design pattern.	Ruby
omniauth	A generalized Rack framework for multiple-provider authentication.	MIT
omniauth-apple	OmniAuth strategy for Sign In with Apple	MIT
omniauth-facebook	Facebook OAuth2 Strategy for OmniAuth	MIT
omniauth-google-oauth2	A Google OAuth2 strategy for OmniAuth 1.x	MIT
omniauth-oauth	A generic OAuth (1.0/1.0a) strategy for OmniAuth.	MIT
omniauth-oauth2	An abstract OAuth2 strategy for OmniAuth.	MIT
omniauth-rails_csrf_protection	Provides CSRF protection on OmniAuth request endpoint on Rails application.	MIT
omniauth-twitter	OmniAuth strategy for Twitter	MIT
openssl	OpenSSL provides SSL, TLS and general purpose cryptography.	Ruby
openssl-signature_algorithm	ECDSA, EdDSA, RSA-PSS and RSA-PKCS#1 algorithms for ruby	Apache-2.0
os	Simple and easy way to know if you're on windows or not (reliably), as well as how many bits the OS is, etc.	MIT
parse-cron	Parses cron expressions and calculates the next occurence	MIT
pdfkit	HTML+CSS -> PDF	MIT
pg	Pg is the Ruby interface to the PostgreSQL RDBMS	BSD-2-Clause
phonelib	Gem validates phone numbers with Google libphonenumber database	MIT
pkg-config	A pkg-config implementation for Ruby	LGPLv2+
plist	All-purpose Property List manipulation library	MIT
pry	A runtime developer console and IRB alternative with powerful introspection capabilities.	MIT
pry-rails	Use Pry as your rails console	MIT
public_suffix	Domain name parser based on the Public Suffix List.	MIT
raabro	a very dumb PEG parser library	MIT
racc	Racc is a LALR(1) parser generator	Ruby
rack	A modular Ruby webserver interface.	MIT
rack-protection	Protect against typical web attacks, works with all Rack apps, including Rails.	MIT
rack-test	Simple testing API built on Rack	MIT
rails	Full-stack web application framework.	MIT
rails-dom-testing	Dom and Selector assertions for Rails applications	MIT
rails-html-sanitizer	This gem is responsible to sanitize HTML fragments in Rails applications.	MIT
rails-i18n	Common locale data and translations for Rails i18n.	MIT
rails-observers	ActiveModel::Observer, ActiveRecord::Observer and ActionController::Caching::Sweeper extracted from Rails.	MIT
railties	Tools for creating, working with, and running Rails applications.	MIT
raindrops	real-time stats for preforking Rack servers	LGPL-2.1+
rake	Rake is a Make-like program implemented in Ruby	MIT
ratonvirus	Provides antivirus checks for Rails.	MIT
ratonvirus-clamby	Clamby scanner for Ratonvirus.	MIT
red-colors	Red Colors provides a wide array of features for dealing with colors. This includes conversion between colorspaces, desaturation, and parsing colors.	MIT
representable	Renders and parses JSON/XML/YAML documents from and to Ruby objects. Includes plain properties, collections, nesting, coercion and more.	MIT
request_store	RequestStore gives you per-request global storage.	MIT
requestjs-rails	A tiny Fetch API wrapper that allows you to make http requests without need to handle to send the CSRF Token on every request	MIT
resolv	Thread-aware DNS resolver library in Ruby.	Ruby
responders	A set of Rails responders to dry up your application	MIT
rest-client	Simple HTTP and REST client for Ruby, inspired by microframework syntax for specifying actions.	MIT
retriable	Retriable is a simple DSL to retry failed code blocks with randomized exponential backoff	MIT
rexml	An XML toolkit for Ruby	BSD-2-Clause
rqrcode	A library to encode QR Codes	MIT
rqrcode_core	A library to encode QR Codes	MIT
rsvg2	Ruby/RSVG2 is a Ruby binding of librsvg-2.x.	LGPL-2.1+
ruby-units	Provides classes and methods to perform unit math and conversions	MIT
ruby-vips	A fast image processing library with low memory needs	MIT
ruby2_keywords	Shim library for Module#ruby2_keywords	Ruby
rubyzip	rubyzip is a ruby module for reading and writing zip files	BSD 2-Clause
rufus-scheduler	job scheduler for Ruby (at, cron, in and every jobs)	MIT
safety_net_attestation	SafetyNet attestation response verification	MIT
sassc	Use libsass with Ruby!	MIT
sassc-rails	Integrate SassC-Ruby into Rails.	MIT
selectize-rails	an asset gemification of the selectize.js plugin	MIT, Apache License v2.0
signet	Signet is an OAuth 1.0 / OAuth 2.0 implementation.	Apache-2.0
simple_xlsx_reader	Read xlsx data the Ruby way	MIT
sinatra	Classy web-development dressed in a DSL	MIT
snils	Generating, validating and formatting SNILS number (Russian pension insurance number)	MIT
spinjs-rails	A spinning activity indicator for Rails 3 with no images and CSS.	MIT
sprockets	Rack-based asset packaging system	MIT
sprockets-rails	Sprockets Rails integration	MIT
sqlite3	Ruby library to interface with the SQLite3 database engine (http://www.sqlite.org).	BSD-3-Clause
ssrf_filter	A gem that makes it easy to prevent server side request forgery (SSRF) attacks	MIT
stimulus-rails	A modest JavaScript framework for the HTML you already have.	MIT
stripe	Ruby bindings for the Stripe API	MIT
temple	Template compilation framework in Ruby	MIT
terser	Ruby wrapper for Terser JavaScript compressor	MIT
thor	Thor is a toolkit for building powerful command-line interfaces.	MIT
tilt	Generic interface to multiple Ruby template engines	MIT
timeout	Auto-terminate potentially long-running operations in Ruby.	Ruby
tpm-key_attestation	TPM Key Attestation verifier	Apache-2.0
trailblazer-option	Callable patterns for options in Trailblazer	MIT
turbolinks	Turbolinks makes navigating your web application faster	MIT
turbolinks-source	Turbolinks JavaScript assets	MIT
twilio-ruby	The official library for communicating with the Twilio REST API, building TwiML, and generating Twilio JWT Capability Tokens	MIT
tzinfo	Time Zone Library	MIT
uber	Gem-authoring tools like generic builders, dynamic options and more.	MIT
unaccent	Replace accented characters with unaccented characters	MIT
underscore-rails	underscore.js asset pipeline provider/wrapper	MIT
unf	A wrapper library to bring Unicode Normalization Form support to Ruby/JRuby	2-clause BSDL
unf_ext	Unicode Normalization Form support library for CRuby	MIT
unicorn	Rack HTTP server for fast clients and Unix	GPL-2.0+
unicorn-worker-killer	Kill unicorn workers by memory and request counts	Ruby
validates_zipcode	Localizable zipcode validation for Rails.	MIT
warden	An authentication library compatible with all Rack-based frameworks	MIT
webauthn	WebAuthn ruby server library	MIT
websocket-driver	WebSocket protocol handler with pluggable I/O	Apache-2.0
websocket-extensions	Generic extension manager for WebSocket connections	Apache-2.0
yard	Documentation tool for consistent and usable documentation in Ruby.	MIT
zeitwerk	Efficient and thread-safe constant autoloader	MIT
zxcvbn-js	Ruby port of Dropboxs zxcvbn.js	MIT