Top CALLS GitHub Repositories & Tools (2026)

Open source voice AI platform. Self-hosted alternative to Vapi and Retell. On Prem, BYOK across Speech to Speech or LLM/STT/TTS, with a visual workflow builder, MCP native and telephony support.

A fully-featured team and group chat application that you can easily selfhost.

A complete voice AI building block with telephony integration, featuring real-time speech-to-text, text-to-speech, and LLM-powered conversational agents.

PHPStan rules to detect disallowed method & function calls, constant, namespace, attribute, keyword & superglobal usages, with powerful rules to re-allow a call or a usage in places where it should be allowed.

📱😀 Video & audio calls through Nextcloud on iOS

Self-hosted, open-source financial data MCP server for AI agents — SEC filings, XBRL financials, 13F holdings, insider & congressional trades, short interest, FRED, CFTC/CBOE and daily prices across 64 MCP tools. Equibles Cloud adds earnings call transcripts, live quotes, options chains with Greeks, guidance and a screener.

Async PHP client API for the telegram MTProto protocol