Open Source Alternatives

Alternatives
Categories
Categories by size882 projects
Browse all 21 categoriesLLMOps & AI Tooling, Design & Creative and 9 more
Blog
Advertise

Search open source alternatives

SearchNotion, Slack, password manager.../

Submit

Open Source Alternatives

Alternatives
Blog
Advertise

Submit your project

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Email address

Open Source Alternatives

Handpicked Open Source Alternatives to Paid Softwares

Product

Categories
Tag
Advertise

Resources

Blog
Collection
Submit

Company

Privacy Policy
Terms of Service
Refund Policy
Sitemap

Alternatives

Claude Code
Jira
Notion
Slack
Linear
Wispr Flow
All alternatives

Open SourceAlternatives

Open Source Alternatives

Alternatives
Categories
Categories by size882 projects
Browse all 21 categoriesLLMOps & AI Tooling, Design & Creative and 9 more
Blog
Advertise

Search open source alternatives

SearchNotion, Slack, password manager.../

Submit

Open Source Alternatives

Alternatives
Blog
Advertise

Submit your project

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Email address

Open Source Alternatives

Handpicked Open Source Alternatives to Paid Softwares

Product

Categories
Tag
Advertise

Resources

Blog
Collection
Submit

Company

Privacy Policy
Terms of Service
Refund Policy
Sitemap

Alternatives

Claude Code
Jira
Notion
Slack
Linear
Wispr Flow
All alternatives

Open SourceAlternatives

Email Open Source Tools - Page 2

Tag

Email Open Source Tools

All
3D Modeling
A/B Testing
AI Agents
AI Coding Assistant
AI SDK
AI Search Tools
API Development Tools
API Infrastructure
Authentication
Authorization
BaaS
Chat
Chatbots
CI/CD Platforms
Cloud Management
Cloud Native
Cloud Native
CMS
Coding
CRM
Customer Support
Cybersecurity
Data Visualization
Database
Developer Framework
Developer Tools
DevOps Tools
Docker Management
Documentation
Email
File Sharing
File Sync & Storage
Graphic Design
Headless CMS
Knowledge Base
Knowledge Management
LLM
LLMOps
Monitoring
No Code
Note-taking Apps
Open Core
Privacy Tools
Project Management
RAG
Security
Self Hosted
Server Management
Social Media
Testing
UI/UX Design
Video
Web Analytics
Web Browsers
Web Hosting
Web3
WebSocket Servers
Workflow Automation
Workflow Orchestration

19 projects, sorted by GitHub stars.

Mailcheap

Alternative toSendy

Self-hosted newsletters on Amazon SES. MIT licensed, no pricing tiers.

1,249 GitHub stars
Licence AGPL-3.0

card

Alternative toStripo

Self-hosted email template builder, 78 blocks, no account needed

431 GitHub stars
Licence AGPL-3.0
#Email

Well

Alternative toDext

Retrieve invoices from email automatically, self-hosted and free

345 GitHub stars
Licence MIT

Orgtree

Alternative toConductor

Desktop canvas for persistent multi-agent AI teams, Windows-only

168 GitHub stars
Licence MIT
#AI Agents

Twake Mail

Alternative toZoho Mail

AGPL mail backend with an official Flutter client

98 GitHub stars
Licence AGPL-3.0
#Email

Galae Email

Alternative toZoho Mail

Self-hosted email server stack forked from Mailcow

7 GitHub stars
Licence GPL-3.0
#Email