Software for Self-Hosted
PeepSo
A next generation user profile and social networking plugin for WordPress. PeepSo allows you to quickly and effortlessly create a social network and online community with you WordPress-powered site. The foundation of PeepSo is 100% free and gives you the basics to create a functional community. For more advanced features, there is a extensions ecosystem for both free and premium plugins that can be used to add more functionality and features to your site.
Deployd
Deployd is a free and open-source web development tool for Node.js that makes building APIs simple by providing important ready-made functionality out-of-the-box. Features provided by Deployd can demands of complex applications and can be further customized with JavaScript Events.
LevelDB
LevelDB is a free and open-source key-value storage library developed by Google. LevelDB provides on-disk storage and ordered mapping of string keys to string values. With LevelDB data is stored and sorted by key, and the keys and values are arbitrary byte arrays. The library will also automatically compress files using the Snappy compression library to optimize for storage capacity.
Actix.rs
A powerful, pragmatic, and extremely fast web framework for Rust. With Actix.rs you can forget about stringly typed objects, from request to response, everything has types. Actix provides a lot of features out of box. HTTP/2, logging, etc and is easily extensible. Allowing you to create your own libraries that any Actix application can use.
SEOPress
With SEOPress you can manage all your search engine optimization needs for your WordPress-powered website. SEOPress is a powerful, freemium SEO plugin for WordPress that can help you boost your organic traffic. In SEOPress feature-set you find tools for improve social sharing, build custom HTML and XML Sitemaps, create optimized breadcrumbs, add schemas and structured data for Google and tools for managing 301 redirects.
OptinMonster
OptinMonster is a powerful lead generation software for websites that want to increase leads to email lists and marketing campaigns. The software is available as a WordPress plugin but is also provided as a SaaS that can be used by any type of website. OptinMonster is used by over 1 million marketing agencies, bloggers, eCommerce websites, and small business websites world-wide.
Calendso
Calendso is a free and open source self-hosted Calendly alternative. Calendso is white-label by design and can be hosted on-premise or can be hosted and managed by Calendso for a monthly charge. The calendar software is built to be API-driven and ready to be deployed on your own domain and does not add hurdles to the self-hosting process to favor the managed solution. Calendso provides modern features and comes with integrations for popular third-party services like Salesforce, Zapier, HubSpot and many more. While also allow you and your company to build custom integrations for any platform out there, and integrate seamlessly with your existing workflow.
The SEO Framework
A WordPress SEO plugin that provides SEO tools along side real-time caching mechanisms. With The SEO Framework, you can manage all things related to modern search engine optimization, site performance, technical SEO and on-page SEO. The SEO Framework has a solid security track-record and includes no data collection, tracking or hidden third-party integrations.
TiddlyWiki
TiddlyWiki is a personal wiki and a non-linear notebook that provides an interactive way to manipulate and structure data for web consumption. The free and open source application is written as an SPA (Single Page Application) with JavaScript by Jermolene. TiddlyWiki is designed from the ground up to easy to customize and re-shape depending on your use-case, while also providing tools that can be used to split up and reuse content.