The best alternatives to ChannelSync are Discourse, Flarum, and Thredded. If these 3 options don't work for you, we've listed a few more alternatives below.
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Discourse is an open source Internet forum and mailing list management software application founded in 2013 by Jeff Atwood, Robin Ward, and Sam Saffron.
Simple, fast and free. We empower people and companies to connect intellectually and emotionally through online communities, by providing a technically excellent, open and extensible discussion platform.
Feature-rich and lightning fast forums. Works standalone or as a Rails engine. Markdown by default, with plugins for code highlighting, KaTeX math, and BBCode. No JavaScript required. Easy deployment on Heroku or Ansible.
Pairagraph is a platform for written dialogue between notable individuals—politicians, CEOs, philosophers, technologists, religious leaders, and more. It's like Clubhouse, but for the written word.
Linen syncs your Slack and Discord threads to a website that allows your community to discover your content through search engines and reduces the number of repeat questions.
The most simplified inventory management system on the Play Store. Inventory Pro Mobile is a super simple inventory tracking system that enables businesses and teams to easily track what they have, where it is, and who has it.