Open-source alternatives to the SaaS you’re tired of paying for

Self-hosted alternatives to Notion, Confluence, and Evernote — wikis, docs, and team knowledge bases you own.

Open-source Airtable and Google Sheets alternatives — no-code databases, smart spreadsheets, and internal data apps.

Self-hostable Zapier and Make alternatives — workflow automation and app-to-app integration engines.

Open-source CRM alternatives to Salesforce, HubSpot, and Pipedrive — own your pipeline and customer data.

Privacy-friendly, self-hosted alternatives to Google Analytics, Mixpanel, and Amplitude.

Self-hosted password managers and secret stores — alternatives to 1Password, LastPass, and Dashlane.

Self-hosted email servers and newsletter platforms — alternatives to Gmail, Mailchimp, and SendGrid.

Open-source alternatives to Trello, Asana, Jira, and Monday — boards, sprints, and issue tracking you control.

Self-hosted Dropbox and Google Drive alternatives — file sync, sharing, and cloud storage on your own server.

Open-source Slack, Discord, and Microsoft Teams alternatives — messaging and collaboration you host yourself.

Self-hosted alternatives to Typeform, Google Forms, and SurveyMonkey — collect responses without the per-seat tax.

Open-source Zendesk, Intercom, and Freshdesk alternatives — ticketing, live chat, and customer support you own.

Self-hosted business-intelligence tools — open-source alternatives to Tableau, Looker, and Power BI.

Self-hosted uptime monitoring and status pages — alternatives to Datadog, Pingdom, and StatusPage.

Open-source Calendly alternatives — meeting scheduling and appointment booking on your own domain.

Open-source Heroku, Vercel, and Netlify alternatives — the platforms that make self-hosting everything else easy.

Self-hosted alternatives to Plex, Spotify, and Netflix — stream your own movies, music, and shows from a server you own.

Open-source Google Photos and iCloud Photos alternatives — back up, organize, and browse your photo library on your own server.

Self-hosted alternatives to WordPress.com, Medium, and Substack — blogs, websites, and headless content management you own.

Open-source Feedly, Pocket, and Instapaper alternatives — RSS readers, bookmark managers, and read-it-later you control.

Self-hosted ChatGPT alternatives — local LLM chat UIs and AI tools that keep your prompts and data private.

Open-source alternatives to Mint, YNAB, and QuickBooks — budgeting, accounting, and money management on your own server.