Validating urls in Rails

https://github.com/perfectline/validates_url/tree/master

Add validation methods to ActiveModel for validating dates and times

https://github.com/adzap/validates_timeliness

Introspectable Version module

https://gitlab.com/oauth-xx/version_gem

Debugging tool for your Ruby on Rails applications

https://github.com/rails/web-console

WebFinger client library

https://github.com/nov/webfinger

HTTP server toolkit

https://github.com/ruby/webrick

Generic extension manager for WebSocket connections

https://github.com/faye/websocket-extensions-ruby

Ruby whois library

https://whoisrb.org/ https://github.com/weppos/whois

Provides a way to look up Windows NTSTATUS and Win32 Error Codes

https://github.com/rapid7/windows_error

Library for Windows Remote Management

https://github.com/WinRb/WinRM

Ruby interface to the X API

https://sferik.github.io/x-ruby/ https://github.com/sferik/x-ruby

Ruby take off of p5-XML-Simple

https://github.com/maik/xml-simple

Ruby take off of p5-XML-Simple

https://github.com/maik/xml-simple

Ruby standard library package 'xmlrpc'

https://github.com/ruby/xmlrpc

Streaming JSON parsing and encoding library for Ruby

https://github.com/brianmario/yajl-ruby

Efficient and thread-safe code loader

https://github.com/fxn/zeitwerk

Ruby Unit Testing Utility

https://github.com/seattlerb/zentest

Fast program launch menu for X Window System

http://www.boomerangsworld.de/cms/tools/runner.html

Restricted User SHell, providing limited remote access to resources

https://puszcza.gnu.org.ua/software/rush/

Language with a focus on memory safety and concurrency

https://www.rust-lang.org/

Experimental Rust compiler front-end for IDEs

https://rust-analyzer.github.io/

Language with a focus on memory safety and concurrency (FreeBSD version)

https://www.rust-lang.org/

Generate Rust bindings from C (and some C++) code

https://github.com/rust-lang/rust-bindgen

Generate C bindings from Rust code

https://github.com/eqrion/cbindgen

Cross-platform Rust rewrite of the GNU coreutils

https://crates.io/crates/coreutils

FFI bindings for the rustls TLS library

https://github.com/rustls/rustls-ffi

Clone of the terminal emulator rxvt modified to support Unicode

http://software.schmorp.de/pkg/rxvt-unicode.html

Abbreviation (alphabet-->Japanese) dictionary (EPWING V1 format)

http://openlab.ring.gr.jp/edict/fpw/

C99 implementation of the TLS/SSL protocols

https://github.com/aws/s2n-tls

Subset of a well-known texture compression scheme

https://github.com/divVerent/s2tc/wiki

FUSE filesystem that uses Amazon S3 as a backing store

https://github.com/archiecobbs/s3backer

FUSE-based file system backed by Amazon S3

https://github.com/s3fs-fuse/s3fs-fuse

nsupdate utility with the GSS-TSIG support

https://www.isc.org/software/bind

Free SMB/CIFS and AD/DC server and client for Unix

https://gitlab.com/samba-freebsd/

Ninja-compatible build tool written in C

https://github.com/michaelforney/samurai

API for access to scanners, digitals camera, frame grabbers etc

http://www.sane-project.org/

Stand-Alone shell combining many common utilities

http://members.tip.net.au/~dbell/

Wrapper around libsass

http://libsass.org/

Build tool for Scala projects

http://www.scala-sbt.org/

Scala Programming Language

http://www.scala-lang.org/

Scan_ffs recovers lost disklabel

Small man page generator

https://git.sr.ht/~sircmpwn/scdoc/

Utility for translating German into the Schwaebisch dialect

http://unimut.fsk.uni-heidelberg.de/schwob.html

Smart Common Input Method platform

https://github.com/scim-im/scim

SCIM add-on to input various symbols with customisable on-screen pad

http://www.scim-im.org/

SCIM Chinese Smart Pinyin input method

https://github.com/scim-im/scim

SCIM IMEngine module like SKK

https://sourceforge.jp/projects/scim-imengine/

SCIM table based input method engine

https://github.com/scim-im/scim

SCIM table based Japanese input methods

https://github.com/scim-im/scim

SCIM IMEngine module using Tomoe

http://scim-imengine.sourceforge.jp/index.cgi?cmd=view;name=SCIMTomoe