JetBrains Junie alternatives

JetBrains' answer to Cursor Agent Mode / Devin — an autonomous in-IDE coding agent. Public beta 2024-Q4; runs alongside AI Assistant inside IntelliJ-platform IDEs. Plans, edits, runs tests; multi-model. Full JetBrains Junie record →

  1. 1 OpenHands Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · same memory unit (turn) · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 92k released 2026-09-25 MIT Compare with JetBrains Junie →

  2. 2 ChatGPT — Codex (cloud agent) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · same memory unit (turn) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? Compare with JetBrains Junie →

  3. 3 Magic.dev Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · same conflict handling (no) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? Compare with JetBrains Junie →

  4. 4 Manus AI Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · same memory unit (turn) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? released 2026-09-28 Compare with JetBrains Junie →

  5. 5 Browser Use Computer-use & desktop agents

    same storage (kv) · same retrieval (injection) · same memory unit (turn) · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 119k MIT Compare with JetBrains Junie →

  6. 6 Pipecat (Daily) Voice agent platforms

    same storage (kv) · same retrieval (injection) · same memory unit (turn) · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 17k released 2026-08-01 BSD-2-Clause Compare with JetBrains Junie →

  7. 7 LiveKit Agents Voice agent platforms

    same storage (kv) · same retrieval (injection) · same memory unit (turn) · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 13k released 2026-08-27 Apache-2.0 (framework); turn-detector models… Compare with JetBrains Junie →

  8. 8 OpenAI Realtime API Voice agent platforms

    same storage (kv) · same retrieval (injection) · same memory unit (turn) · also offered managed · also has MCP

    OSS ? Self-host ✓ Managed ✓ MCP ✓ ★ 6.9k Compare with JetBrains Junie →

Ranked by shared memory design (storage, retrieval, conflict handling, memory unit), same section and shared must-haves (open source, self-hosting, MCP), with adoption as a tie-breaker. ✓ confirmed · — no · ? not in the catalog yet. Want picks for your own requirements? Use the chooser. Checking a whole project? Check your stack.