Find the free tier that fits your stack.

AgentMail

AgentMail is an email inbox API for AI agents. It provides programmatic creation and management of email inboxes, threads, replies, attachments, realtime events, custom domains, semantic search, and data extraction through REST APIs, SDKs, webhooks, and MCP support.

tickgit

tickgit is a code-based project management tool that scans repositories for TODO comments and surfaces them as trackable work items. It uses plain-text code comments and git rather than a separate project management system.

Flock

Flock is a team messaging and collaboration platform with channels, direct messages, voice and video calling, file sharing, to-dos, polls, reminders, and integrated search. It provides desktop apps for Windows, Mac, Linux, and Chrome, plus web access through the Flock service.

Othor AI

Othor AI is a business intelligence platform that connects to data sources such as databases, spreadsheets, and cloud services, then generates dashboards, narratives, charts, and reports from that dat...

ngrok

ngrok is an all-in-one cloud networking platform that provides secure tunnels, API gateway routing, traffic policy, and observability for services running anywhere. It can expose localhost or private ...

cron-job.org

cron-job.org is a hosted cron job scheduler that executes HTTP requests for websites and scripts at configured intervals, from once per minute up to once per year. It supports custom request methods, ...

Permit.io

Permit.io is an authorization platform for apps, APIs, data, and AI agent workflows. It provides policy enforcement through a policy engine and PDPs, with support for RBAC, ABAC, ReBAC, and PBAC, plus GitOps, SDK, API, and Terraform-based policy management.

Mouseflow

Mouseflow is a behavior analytics platform that records user sessions, generates heatmaps, tracks journeys, and detects friction across websites. It captures clicks, scrolls, mouse movement, form inte...

Engagespot

Engagespot is a notification infrastructure platform for developers. It provides a single API for sending in-app, email, push, SMS, Slack, Discord, WhatsApp, and webhook notifications, along with templates, workflows, provider management, logging, and a built-in real-time in-app inbox.