
Drop-in real-time collaboration, presence, comments, and multiplayer editing, without building the infra.
- Live presence and cursors
- Multiplayer editing
- Comments and notifications
- Conflict-free sync
A community-curated list of the best SaaS tools in Startups. Updated as new products launch, ranked by what people actually save and upvote.
10 products

Drop-in real-time collaboration, presence, comments, and multiplayer editing, without building the infra.

Notifications infrastructure that powers email, in-app, push, and Slack messages from one API.
Works with Slack, API

Beautiful, AI-native documentation that turns your docs into a maintainable, searchable, on-brand product.
Works with API

Open-source API key management, issue, verify, and rate-limit keys without building auth infrastructure yourself.
Works with API

A developer-first email API that makes transactional and marketing email simple, reliable, and deliverable.
Works with API

Open-source background jobs and durable workflows you write in plain code, no timeouts, no queues to manage.

Deploy apps, jobs, and preview environments on a developer platform built for scale.

In-app surveys for web and mobile apps that collect sharper feedback from the right users.
Works with Web, Mobile

Open-source link attribution for short links, conversions, and partner programs.
