Open source

Stirling PDF is an open source PDF toolkit that runs on your PC: merge, split, compress and sign PDFs. How to install it and what the free plan includes.

pyVideoTrans is free video translation and AI dubbing software: speech recognition, subtitle translation, multi-voice dubbing. Setup and limits.

Compositor is a free, open source photo editor for Mac that opens PSD and PSB files with layers and masks intact. How to install it and its limits.

Graphify turns code and docs into a knowledge graph so AI can answer questions about your whole project. Two-command setup, edge labels and limits.