smol-developer alternatives

Early (2023) OSS coding agent by Swyx — minimalist single-prompt-to-codebase loop. More artifact-than-product now (subsumed by Cline / Aider / Claude Code) but historically significant — defined the "smol" school of single-file coding agents. Full smol-developer record →

  1. 1 Zed (Agentic Editing) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 89k released 2026-08-12 GPL-3.0-or-later (primary), with Apache-2.0… Compare with smol-developer →

  2. 2 Opencode (SST) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 222k released 2026-10-22 MIT Compare with smol-developer →

  3. 3 Cline (harness) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 68k released 2026-09-02 Apache-2.0 Compare with smol-developer →

  4. 4 Goose (Block) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 56k released 2026-10-23 Apache-2.0 Compare with smol-developer →

  5. 5 Aider (harness) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP — ★ 50k released 2026-02-12 Apache-2.0 Compare with smol-developer →

  6. 6 Claude Code (Anthropic) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also self-hostable · also offered managed

    OSS — Self-host ✓ Managed ✓ MCP ✓ ★ 153k released 2026-10-23 proprietary — © Anthropic PBC, use subject to… Compare with smol-developer →

  7. 7 Kiro Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also self-hostable · also offered managed

    OSS ? Self-host ✓ Managed ✓ MCP ✓ released 2026-10-22 Compare with smol-developer →

  8. 8 Stagehand Computer-use & desktop agents

    same storage (file) · same retrieval (injection) · same conflict handling (human-arbitrate) · same memory unit (document) · also open source · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 26k released 2026-08-28 MIT Compare with smol-developer →

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.