Ace vs Tandem: What are the differences?
What is Tandem? Decentralized, cross-editor, collaborative editing. Tandem is a decentralized, collaborative text-editing solution. Tandem works with native text editors, works across different editors, and uses peer-to-peer connections to facilitate communication. Tandem exists as a set of plugins for native text editors. We currently support Sublime Text 3 and Neovim. We also unofficially support Vim.
Ace and Tandem can be primarily classified as "Collaborative Text Editor" tools.
Ace and Tandem are both open source tools. It seems that Ace with 20K GitHub stars and 4.4K forks on GitHub has more adoption than Tandem with 677 GitHub stars and 17 GitHub forks.