* [Alltube](https://github.com/Rudloff/alltube) - A web interface for [youtube-dl](https://github.com/rg3/youtube-dl), a program to download videos and audio from [more than 100 websites](https://rg3.github.io/youtube-dl/supportedsites.html) ([Demo](http://www.alltubedownload.net)) `GPL``PHP`
* [AmIUnique](https://amiunique.org/) - Learn how identifiable you are on the Internet (browser fingerprinting tool). ([Source code](https://github.com/DIVERSIFY-project/amiunique) `MIT``Java`
* [Healthchecks](https://healthchecks.io/) - Django app which listens for pings and sends alerts when pings are late. ([Source Code](https://github.com/healthchecks/healthchecks)) `BSD``Python`
* [Huginn](https://github.com/cantino/huginn) - Allows you to build agents that monitor and act on your behalf - `MIT``Ruby`
* [Http2pic](https://http2pic.haschek.at/) - Website screenshots/renderer. It uses the wkhtmltox to render websites with various options. ([Source Code](https://github.com/chrisiaut/http2pic)) `Apache 2.0``PHP/Javascript`