Free & open source
Bitwarden
Free alternative to 1Password
Open-source password manager — encrypted vaults, passkeys, and secure sharing across every device.
License: GPL-3.0 (clients) / AGPL-3.0 (server); enterprise modules proprietary (open core)
Free Productivity & Ops Tools
Run the business side for free: scheduling, CRM, customer chat, e-signatures, link management, and password security — open-source or honest free tiers.
6 verified listings · Last verified: September 17, 2026
Free tier
Cal.com
Free alternative to Calendly
Open scheduling links — create event types, share your link, and let people book; the free individual plan includes unlimited event types and bookings.
License: Proprietary (free plan)
Free & open source
Chatwoot
Free alternative to Intercom
Open-source omnichannel inbox — support conversations from email, chat, and social in one dashboard, self-hosted with no agent limits.
License: MIT (community edition; enterprise/ directory under a separate license)
Free & open source
Documenso
Free alternative to DocuSign
Open-source e-signature platform — send documents, collect legally valid signatures, and track signing status, self-hosted for free.
License: AGPL-3.0 (Community Edition)
Free & open source
Dub
Free alternative to Bitly
Open-source link shortener and management platform — custom short links, branded domains, QR codes, and click analytics.
License: AGPL-3.0
Free & open source
Twenty
Free alternative to HubSpot CRM
Open-source modern CRM — contacts, pipelines, notes, and tasks with a clean UI, extensible via API and self-hostable.
License: AGPL-3.0-or-later (core; enterprise features under commercial license)
Put it to work
Free SEO audit
Check whether your site is set up to rank for terms like these — 26 real checks, no signup.
Done-for-you setup
Want this tool (or a whole $0 stack) configured for your business? That's what our agency does.
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