Polar — An open source Lemon Squeezy alternative with 20% lower fees

Open Source Financial Services

A curated collection of the 11 best open source Financial Services for inspiration and reference. Each listing includes a website screenshot along with a detailed review of its features.

ERPNext

Comprehensive business management, tailored for you

Stars
20,300
Forks
7,072
Last commit
1 hour ago

Maybe

Empower your financial future with AI-driven insights

Stars
29,503
Forks
2,246
Last commit
7 hours ago

Hummingbot

Open-source crypto trading bot for market making

Stars
7,947
Forks
2,768
Last commit
2 weeks ago

Akaunting

Free, open-source accounting for small businesses

Stars
7,931
Forks
2,418
Last commit
1 week ago

Invoice Ninja

Free invoicing software for small businesses and freelancers

Stars
8,110
Forks
2,257
Last commit
1 month ago

Lago

Open-source metering and usage-based billing platform

Stars
6,854
Forks
298
Last commit
5 days ago

Ghostfolio

Track, analyze, and optimize your investments effortlessly

Stars
4,159
Forks
396
Last commit
3 hours ago

Bigcapital

Automate financial processes for smarter business decisions

Stars
2,487
Forks
212
Last commit
4 hours ago

Lotus

Open-source billing for modern SaaS companies

Stars
1,712
Forks
122
Last commit
6 months ago

Captable

Simplify equity management for startups and investors

Stars
442
Forks
74
Last commit
2 weeks ago

Trench

Supercharge Stripe Radar with advanced fraud prevention

Stars
195
Forks
16
Last commit
4 months ago