Open source alternatives to 49Agents IDE

By GitHub stars it is Herdr, with 50,846 stars and a commit on 7 Nov. Choose Herdr when you want an Apache-licensed terminal multiplexer for agent sessions rather than a zoomable canvas app. Next come Paradev (16,293 stars).

Yes. The code of all 2 is public under Apache 2.0 or MIT, so you can use them with no licence fee. Running one yourself costs the server and your time to look after it, and some makers also sell a hosted plan.

Start from the job you use 49Agents IDE for. Choose Paradev when you want parallel agents in separate git worktrees in a free, MIT-licensed desktop app.

All 2 we track had a commit in the last 30 days, among them Herdr and Paradev. A recent commit shows the project is kept up, not that it will stay that way.

Apache 2.0 (1), MIT (1). MIT, BSD and Apache let you change and reuse the code freely.

The hosting. 49Agents IDE's maker runs the servers for you; with an open source tool the updates, backups, security fixes and support are yours, unless you take the maker's hosted plan. Features differ too, so check what each one imports and exports before you move your data.