The LR Foundation is active in the development of many projects which encompass open source software for their communities.
Pleroma is a free and open source self-hosted distributed social networking and microblogging service. It implements the ActivityPub protocol making Pleroma instances part of an interconnected and decentralized network of independently operated servers.
From Anywhere Technologies, B4X is a suite of IDEs and programming language that allows for the development of mobile applications. The suite of programs that provide a development platform for the programming language makes it easy for those new to computing or programming to get started. It's essentially BASIC for the modern day. There are five IDEs for B4X: Basic4PPC, B4A, B4J, B4i, and B4R. B4X works on numerous mobile platforms, including Apple iOS, Google Android, Java, Arduino, and Raspberry Pi.
The Elixir language is built on an Erlang foundation but inspired by Ruby. One of the most important features of Elixir is its fault-tolerance which other languages do not provide. Elixir optimizes for consistent performance, including easy scalability of web projects and applications by leveraging parallelism and concurrency. Today Elixir is used across industries to create and grow businesses. The Elixir community is fueled by passionate developers who contribute to its ecosystem.
Fedi is a media-focused app for your favorite communities, featuring multi-account support, quick shares, push notifications, and universal updates.
Give Ethereum leverages the Ethereum ecosystem to maximize giving and social good.
The OpenBSD Foundation exists as a place where donations can be made to further OpenBSD, OpenSSH, and related software projects.
Software Freedom Conservancy is a not-for-profit charity that helps promote, improve, develop, and defend Free, Libre, and Open Source Software (FLOSS) projects. Conservancy provides a non-profit home and infrastructure for FLOSS projects. This allows FLOSS developers to focus on what they do best — writing and improving FLOSS for the general public — while Conservancy takes care of the projects' needs that do not relate directly to software development and documentation.