Zulip is the best open-source Slack alternative you can get, and it can be hosted on your own server or use it with a paid plan.

Discover Colanode, an open-source, self-hosted app that blends the structured thinking of Notion with Slack's conversation flow for a unified workspace experience.

AutoHotKey can be installed and used for free on Windows. If you want to use AI but don't like the idea of a third party using your queries or data to train their LLMs, consider the open-source Ollama ...

Open-source software tools continue to increase in popularity because of the multiple advantages they provide including lower upfront software and hardware costs, lower total-cost-of-ownership, lack ...