Open-source

Angle pages explain the constraint. Shortlists live under /alternatives/.

Open-source shortlist for docs & wikis.

Open-source shortlist for databases.

Open-source shortlist for scheduling.

Open-source shortlist for forms & surveys.

Open-source shortlist for team chat.

Open-source shortlist for support.

Open-source shortlist for automation.

Open-source shortlist for design.

Open-source shortlist for analytics.

Open-source shortlist for crm.

Open-source shortlist for video calls.

Open-source shortlist for email marketing.

Open-source shortlist for hosting.

Open-source shortlist for auth.

Open-source shortlist for payments.

Open-source shortlist for email infrastructure.

Open-source shortlist for monitoring.