G'MIC is a full-featured open-source framework for image processing, providing several different user interfaces to convert/manipulate/filter/visualize generic image datasets, ranging from 1d scalar signals to 3d+t sequences of multi-spectral volumetric images, including 2d color images.
Photoflare is a cross-platform image editor with an aim to balance between powerful features and a very friendly graphical user interface. It suits a wide variety of different tasks and users who value a more nimble workflow. Features include basic image editing capabilities, paint brushes, image filters, colour adjustments and more advanced features such as Batch image processing.
The best and simplest self-hosted website change detection monitoring service. An alternative to Visualping, Watchtower etc. Designed for simplicity - the main goal is to simply monitor which websites had a text change. Open source web page change detection.
A UI for the command-line video downloader "youtube-dl". YDL-UI provides a simplified way to download videos using "youtube-dl", without the hassle of using the command-line. This is achieved by dynamically generating youtube-dl argument queries that can be run with a click of a button. YDL-UI is packaged with a release of youtube-dl and ffmpeg.
pcopy is a tool to copy/paste across machines. It can be used from the web UI, via a CLI or without a client by using curl. It can also be used as a self-hosted NoPaste or as a temporary file hosting service.
linkding is a simple bookmark service that you can host yourself. It supports managing bookmarks, categorizing them with tags and has a search function. It provides a bookmarklet for quickly adding new bookmarks while browsing the web. It also supports import / export of bookmarks in the Netscape HTML format.