Alternatives
10 best Manifest alternatives
Tools that cover the same task as Manifest (code), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- Manifest starts at
- $19/mo
- Free plan
- Free plan
- API
- API available
- 01
Brainbase Labs
Brainbase Labs hosts internal AI agents that self-improve through evaluations, observability, and hillclimbing. The platform offers managed agent APIs, orchestration across models and harnesses, sandboxes, auth, and deployment options from managed cloud to private cloud and on-premise.
Best for: Teams shipping production agents who want managed hosting, evals, orchestration, and enterprise deployment options.
- 02
Executor
Executor is an open-source gateway that connects AI agents to the SaaS tools a team already uses, with cloud hosting and optional self-hosted enterprise deployment. It emphasizes safe tool execution, verified domains, and a single integration surface for agent workflows.
Best for: Engineering teams wiring multiple AI agents into CRMs, dev tools, and internal SaaS without rebuilding each integration per agent.
- 03
Novu
Novu is open-source notification infrastructure for connecting AI agents and products to customers across in-app, email, SMS, push, WhatsApp, Slack, Teams, and Telegram channels. Cloud plans meter workflow runs while enterprise options add compliance, residency, and self-hosted deployment.
Best for: Product and platform teams that need multi-channel notification workflows with inbox components and usage-based scaling.
- 04
Pangolin
Pangolin is an open-source secure access and networking platform connecting workforces, AI agents, and infrastructure with identity-aware controls. Cloud plans add SSO, RBAC, audit logging, device posture, and an AI Gateway for identity-aware access to AI providers without sharing API keys.
Best for: Teams securing remote access to private apps, infrastructure, and AI workloads who want open-source software with optional managed cloud tiers.
- 05
Langfuse
Langfuse is an open-source LLM engineering platform for tracing, evaluating, and improving AI agents with collaborative debugging and metrics. Langfuse Cloud offers hosted Hobby, Core, and Pro tiers metered in observability units.
Best for: AI engineers who need open-source-friendly observability and eval workflows without building tooling in-house.
- 06
Mem0
Mem0 provides persistent memory infrastructure for AI agents and applications so context survives across sessions, users, and agents. The platform offers hosted plans with SDK integration plus open-source options for developers building production agents that need durable recall.
Best for: Agent builders and app teams that need hosted memory layers with defined add and retrieval quotas.
- 07
Tiptap Editor 3.0 Beta
Tiptap is a headless rich-text editor framework with 100+ extensions and a paid Tiptap Platform for collaboration, comments, DOCX conversion, AI toolkit agents, and cloud documents. Developers embed the open-source editor or buy hosted platform tiers for production document apps.
Best for: Product teams building Notion-like, legal, or AI-native editors who need extensible React components plus optional hosted collaboration.
- 08
exchangerate.host
ExchangeRate.host provides a free forex and currency conversion API with optional paid subscriptions for higher request volumes.
Best for: Developers building multi-currency apps who need scalable rate limits beyond the free entry tier.
- 09
App Quality Copilot
Maestro is an open-source end-to-end UI testing stack for mobile and web, with free local CLI and Studio tools plus Maestro Cloud to run parallel tests on hosted devices.
Best for: Mobile and web teams who want YAML-readable UI tests and optional cloud parallel runs.
- 10
Revdoku
Revdoku gives AI agents dedicated email inboxes with cloud storage, attachment handling, and REST, CLI, or MCP access. Teams provision mailboxes, connect AI workflows, and manage files generated by agents or APIs under EU hosting options.
Best for: Developers building AI agents that need real email addresses and file storage integrations.
Manifest alternatives: common questions
What is the best free alternative to Manifest?
Brainbase Labs has an ongoing free plan. Individuals plan is $0/month with $25 in credits, unlimited deployed agents, and 7-day data retention. Free plans change, so check the vendor before relying on one.
What is the cheapest Manifest alternative?
Pangolin has the lowest listed starting price at $4/mo, compared with $19/mo for Manifest.
Which Manifest alternatives have an API?
Brainbase Labs, Executor, Novu, Pangolin, Langfuse mention API or developer access.