Open Source Alternatives

Proprietary SaaS tools, replaced with open-source apps you can self-host, one popular product at a time.

Open Source Jira Alternatives

Project management

OpenProject

Vikunja

Open Source Confluence Alternatives

Team wiki & documentation

BookStack

Docmost

Wiki.js

AFFiNE

Open Source Notion Alternatives

Notes & personal workspace

BookStack

Docmost

Wiki.js

AFFiNE

Open Source Toggl Alternatives

Time tracking

Kimai

Solidtime

Open Source Salesforce Alternatives

CRM & sales

EspoCRM

Twenty

Open Source Airtable Alternatives

No-code databases & spreadsheets

AFFiNE

NocoDB

Open Source YNAB Alternatives

Personal finance & budgeting

Actual Budget

Firefly III

Open Source Substack Alternatives

Blogging & publishing

WriteFreely

Ghost

Open Source Miro Alternatives

Whiteboard & diagramming

draw.io

Excalidraw

Open Source DocuWare Alternatives

Document management

Paperless-ngx

Papra

Open Source M-Files Alternatives

Document management

Paperless-ngx

Papra

Open Source Evernote Alternatives

Notes & document archiving

Joplin Server

Papra

Paperless-ngx

Open Source Slack Alternatives

Team messaging

Mattermost

Rocket.Chat

Zulip

Element

Open Source Microsoft Teams Alternatives

Team messaging

Mattermost

Rocket.Chat

Zulip

Element

Open Source Discord Alternatives

Community chat

Mattermost

Rocket.Chat

Element