7 AI SDKs. 5 have a free plan. Half of the paid plans start at $59 a month or less. 4 are open source. Newest check: 15 Nov 2026.
290 of 737 tools were checked against the vendor's own page in the last 30 days.
| Tool | Price from | Free plan | Runs on | Checked |
|---|---|---|---|---|
| BAMLProgramming language for agents that generates typed SDKs for your own language and records every call; free, open source, with hosted tracing in early access. | $250/mo | Yes | Web · Mac · Windows | 15 Nov |
| InsForgeOpen-source AI agent backend with 12,800+ GitHub stars: $25/mo Pro, free tier. 2.4x fewer tokens than Supabase MCP on MCPMark v2. YC Spring 2026, 6-person team. | $25/mo | Yes | Web | 5 Sep |
| MindeeDeveloper API that turns invoices, receipts, IDs and other documents into structured JSON, with prebuilt models, custom schemas and confidence scores. | $53/mo | Trial | Web | 13 Nov |
| AgentPhoneAgentPhone gives any AI agent its own US or Canadian phone number via 1 API call, with unified voice, SMS, real-time transcription, and built-in MCP support. | Quote | No | Web | 19 Aug |
| DailyDaily provides WebRTC SDKs and the open-source Pipecat framework for building realtime voice and video AI agents, with 75+ global points of presence. | -- | Yes | Web · iOS · Android | 23 Aug |
| TiptapOpen source rich text editor framework backed by a 6,000-member Discord community; Tiptap Cloud adds AI-agent editing and paid collaboration plans. | $59/mo | Yes | Web | 31 Aug |
| VeryfiVeryfi is a document-AI API that turns receipts, invoices and 40+ document types into structured JSON at 99.56% field accuracy. | $500/mo | Yes | Web · iOS · Android | 20 Aug |
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