OPEN SOURCE alternatives to the MOST POPULAR productivity apps!

00:00 Intro – The video begins with an introduction to open‑source alternatives for popular productivity apps. 00:42 Sponsor – The host promotes the new Thunderbird interface. 01:35 Replace Obsidian – The host explains that Logseq is a free, open‑source alternative that uses markdown, offers a knowledge graph, and has a large plugin ecosystem. 03:49 Replace Notion – The host discusses AppFlowy and AnyType as open‑source alternatives to Notion, noting their features and limitations. 06:40 Replace Teams and Slack – The host recommends Mattermost as a self‑hosted, open‑source chat platform with channels, threads, file sharing, screen sharing, and audio calls. 07:51 Replace Trello – The host suggests Focalboard as a free, open‑source board tool that can be self‑hosted or used as a personal app. 09:24 Replace Acrobat Pro – The host mentions GIMP, Inkscape, and LibreOffice Draw for editing PDFs, noting their limitations. 10:33 Replace Visual Studio Code – The host recommends VSCodium, a build of VS Code that removes telemetry and proprietary components while keeping the same interface and extensions. 11:47 Other alternatives – The host briefly mentions additional open‑source tools. 13:16 Sponsor – The host promotes a Linux‑ready PC. 14:25 Support the channel – The host encourages viewers to support the channel.