libtcod is a free, fast, portable and uncomplicated API for roguelike developers providing an advanced true color console, input, and lots of other utilities frequently used in roguelikes.
Cost / License
- Free
- Open Source
Application type
Platforms
- Windows
- Linux
- Haiku


+2
Hydra is built upon Netty. It is supposed to simplify the process of socket setup in Java. Hydra is a lightweight library that is supposed to help the developer. Hydra is designed to be an easy and fast library. And it's developed with care and love.
Cost / License
- Free
- Open Source (BSD-2-Clause)
Platforms
- Mac
- Windows
- Linux
- Android
- Java Mobile
- Java
Reaxe is a reactive UI framework like React, but for Haxe and OpenFL. It does not provide UI controls; it just makes it easier to keep presentation in-sync with state.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
TRE is a lightweight, robust, and efficient POSIX compliant regexp matching library with some exciting features such as approximate (fuzzy) matching.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
BookBinder is a free self-hosted PHP/MySQL app for cataloguing your home library: your books and music without barcoding — photo import via Claude AI.
Cost / License
- Free
- Proprietary
Platforms
- Self-Hosted
- PHP
United Kingdom



Cost / License
- Free
- Open Source
Application type
Platforms
- iPhone
- iPad
ReactPhysics3D is an open-source, C++ physics engine library that can be used in 3D simulations and games.
Cost / License
- Free
- Open Source (Zlib)
Platforms
- Mac
- Windows
- Linux

Oniguruma is a modern and flexible regular expressions library. It encompasses features from different regular expression implementations that traditionally exist in different languages.
Cost / License
- Free
- Open Source
Platforms
- Linux
Self-hosted library cataloguing for books and music without barcoding — photo import via Claude AI, genre, batch edit, condition grading and CSV export.
Cost / License
- Paid
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Self-Hosted
- Apache HTTP Server
- Docker
- TrueNAS
United Kingdom


+1
The Little Free Library app makes it easy to find little library locations near you. You can get directions, save your favorites, track the libraries you visit, and even earn badges!.
Cost / License
- Free
- Proprietary
Platforms
- iPhone
- iPad
- Android
- Online
United States



A complete C++ Text User Interface (TUI) featuring windows, dialogs (buttons, check and radio boxes, input boxes, etc.), mouse support, menus, etc. It's available for various platforms and compilers.
Cost / License
- Free
- Open Source
Application type
Platforms
- Linux
- Cygwin
- FreeDOS
- Solaris
- FreeBSD
- MS-DOS



Cost / License
- Freemium
- Proprietary
Platforms
- Online
- iPad
- Software as a Service (SaaS)
United States


+1
Stop losing your most valuable Slack content in all the noise! Save what's important, reward your best contributors and understand what topics are important to your community now.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
United States

RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library with wrappers for many languages including Perl, Python, Erlang and more.
Cost / License
- Free
- Open Source (BSD-3-Clause)
Platforms
- Windows
- Linux






































