20 MailCheap alternatives
MailCheap: Open-source newsletter platform that bills for emails sent, not dormant subscribers, with an MCP server so AI agents can run it. 20 apps do similar work, most sharing Open Source, Self-Hosted and MCP, ranked by how much they have in common with MailCheap.
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Open-source CRM you can self-host or run in the cloud, with custom objects, workflows, a TypeScript apps framework and an MCP server for AI assistants.
Also: MCP, Open Source, Self-Hosted
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IBM (DataStax)
Open-source, MIT-licensed visual builder for AI agents, RAG apps and MCP servers, maintained by IBM's DataStax and extensible in Python.
Also: MCP, Open Source, Self-Hosted
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Open-source platform for running a standing team of AI agents — you hire, schedule and review them, and they keep working while you are offline.
Also: MCP, Open Source, Self-Hosted
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Ibrahim Salami
Open-source call intelligence that scores sales calls against your own playbook and the buyer's context, not just what the rep said.
Also: Open Source, Self-Hosted
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OpenClaw Foundation
Open-source personal AI assistant that runs on your own machine and answers from WhatsApp, Telegram, Slack, iMessage and 25 other chat apps.
Also: Open Source, Self-Hosted
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Cloudflare
Open-source AI workspace you deploy into your own Cloudflare account: agent chat wired to company context, sandboxed app building, and policy guardrails.
Also: Open Source, Self-Hosted
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Open-source voice AI platform you can self-host — a visual workflow builder, bring-your-own STT/LLM/TTS models, telephony, and no per-minute platform lock-in.
Also: Open Source, Self-Hosted
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All Hands AI
OpenHands — the leading open-source coding agent platform, self-hostable or run in the cloud.
Also: Open Source, Self-Hosted
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Turn any website into clean markdown or structured JSON — crawling, JavaScript rendering, and extraction in one API.
Also: Open Source, Self-Hosted
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Jun Kim
Menu-bar LLM inference server for Apple Silicon, with continuous batching and tiered KV caching that keeps local models fast enough for real coding work.
Also: Open Source, Self-Hosted
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Multi-agent workspace where teams hire reusable "digital employees" — an orchestrator runs specialists in parallel and returns finished decks, dashboards, reports and Excel files.
Also: Open Source, Self-Hosted
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Open-source, OpenTelemetry-native observability platform for logs, metrics and traces — with first-class tracing for LLM calls and agent runs.
Also: Open Source, Self-Hosted
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Roo Code
Self-hostable cloud coding agent from the Roo Code team — investigates repos, verifies its own work and opens pull requests, driven from Slack, Teams, Discord or Telegram rather than an IDE.
Also: Open Source, Self-Hosted
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HKUDS
Open-source, self-hosted personal AI agent you run yourself — browser UI, terminal or your chat apps, with memory, MCP tools and scheduled automations.
Also: Open Source, Self-Hosted
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Secure cloud sandboxes where AI agents can run untrusted code safely, starting in milliseconds.
Also: Open Source, Self-Hosted
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An open-source vector search engine written in Rust — fast, memory-efficient, and self-hostable.
Also: Open Source, Self-Hosted
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A self-hosted, feature-rich chat interface that puts a polished front end on Ollama and any OpenAI-compatible API.
Also: Open Source, Self-Hosted
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Every App, Inc.
Open-source alternative to Ahrefs and Semrush — keyword research, backlinks, rank tracking and site audits, billed by usage and exposed to agents over MCP.
Also: MCP, Open Source
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Agentic AI Foundation
Open-source AI agent from the Agentic AI Foundation — a native desktop app, CLI and API that runs tasks locally with 70+ MCP extensions.
Also: MCP, Open Source
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Vectify AI
A vectorless RAG engine that builds a tree index of long PDFs and lets an LLM reason its way to the right section, with page-level citations.
Also: MCP, Open Source