Best Castforge alternatives

8 tools that solve the same problem as Castforge, ranked by how they are performing in the directory.

1
Neoswarm
neoswarm.dev
A terminal workspace where every feature is a plugin.
- AI Agents
- Developer Tools
- Open source
2
The Agency
theagencyhq.dev
Command and control for your AI agents.
- Developer Tools
- AI Agents
- Open source
3
Talos
talos-agent.ch
Hand it a shell. Every tool call passes a gate that grants authority for exact arguments, once, for 30 seconds — and logs the verdict.
- Developer Tools
- AI Agents
4M
Metis
github.com
Metis is a coding agent that boosts AI/LLM coding performance by 50% - Wholiver/metis
- Developer Tools
- AI Agents
- Open source
5X
XYZZY
github.com
Self-hosted multiplayer AI workspace: a team makes hard technical decisions with AI and keeps the receipts.
- AI Agents
- Developer Tools
6C
Ctx
github.com
Instant recall for coding agents.
- Developer Tools
- AI Agents
- Open source
7
Antifailure
antifailure.dev
A disposable copy of your production stack for every pull request: masked Postgres, contained third-party APIs, and agents that use your app like people.
- Developer Tools
- AI Agents
- Open source
8B
Bestie
github.com
a coding agent that respects you 🥺.
- Developer Tools
- AI Agents
- Open source

Head-to-head comparisons