OpenCode
Anomaly Innovations (SST)
OpenCode is the most-starred open-source agentic coding tool in 2026 (160k+ GitHub stars, ~7.5M monthly active developers). Built by the SST team in Go, it runs as a polished TUI in your terminal or as a desktop app. BYOK any model — Claude, GPT, Gemini, DeepSeek, Qwen, Ollama local models, or 75+ providers. Supports LSP integration, persistent sessions, parallel agents, and MCP.
Free and open source (BYOK). Zen Pay-As-You-Go from $20 prepaid balance (zero markup). OpenCode Go $10/mo. OpenCode Black $200/mo for frontier model access.
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