Cal.com
A fully customizable scheduling software for individuals, businesses taking calls and developers building scheduling platforms where users meet users.
Related products
The Social Media Calendar That Does It All
Plan, schedule, and execute everything marketing from social, content, tasks, and beyond.
Fantastical
NewQuickly create events and reminders with natural language input — the best calendar app for Mac and iOS.
Open Agents
NewSpawn coding agents that run infinitely in the cloud. Powered by AI SDK, Gateway, Sandbox, and Workflow SDK.
Zoom
NewVideo meetings, chat, VoIP phone, webinars, and whiteboard — the collaboration platform the world runs meetings on.
OpenCode
NewThe open source AI coding agent for the terminal — bring your own model, works with Claude, OpenAI, Google, and local models.
Open Source Alternatives to Popular Software
A curated collection of the best open source alternatives to everyday SaaS products. Save money with reliable tools hand-picked for you.
coss.com
coss.com - the everything but AI company
Airtable
NewBuild real-time collaborative apps and automate business processes in minutes — the platform 500,000+ brands run on.
Fly.io
NewDeploy app servers close to your users — a cloud for developers who want fast, global, low-fuss compute.
Windmill
NewBuild internal software with full code flexibility — open-source, self-hostable platform for scripts, flows, and apps.