Top 12 Open-Source Alternatives to Flattr

The top open-source alternatives to Flattr are Liberapay, Open Collective, and Stripe. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Liberapay Landing Page
1

Liberapay

Liberapay is a recurrent donations platform.
Pricing:
- Open Source
#Crowdfunding #Fundraising And Donation Management #Content Monetization 28 social mentions
Open Collective Landing Page
2

Open Collective

Recurring funding for groups.
Pricing:
- Open Source
#Crowdfunding #Fundraising And Donation Management #Online Payments 72 social mentions
Stripe Landing Page
3

Stripe

Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
Pricing:
- Open Source
#Online Payments #Recurring Billing #eCommerce Tools 242 social mentions
BountySource Landing Page
4

BountySource

BountySource is a funding platform for open-source bugs and features.
Pricing:
- Open Source
#Fundraising And Donation Management #Crowdfunding #Content Monetization 13 social mentions
Coindrop Landing Page
5

Coindrop

Create a free, zero-fee webpage for accepting payments & donations
Pricing:
- Open Source
#Crowdfunding #Fundraising And Donation Management #Content Monetization 1 social mentions
Vertcoin Landing Page
6

Vertcoin

"BEAT-ASICS" is the aim of Vertcoin.
Pricing:
- Open Source
#Online Payments #Payment Platform #eCommerce Tools 15 social mentions
selfstarter.us
7

SelfStarter

Roll your own crowdfunding
Pricing:
- Open Source
#Fundraising And Donation Management #Crowdfunding #Nonprofit CRM
Gitpay Landing Page
8

Gitpay

Add bounties to solve Git issues from projects.
Pricing:
- Open Source
#Crowdfunding #Fundraising And Donation Management #Content Monetization 3 social mentions
Bitcoin Cash Landing Page
9

Bitcoin Cash

Bitcoin Cash brings sound money to the world. Merchants and users are empowered with low fees and reliable confirmations. The future shines brightly with unrestricted growth, global adoption, permissionless innovation, and decentralized development.
Pricing:
- Open Source
#Cryptocurrencies #Blockchain #Business & Commerce 44 social mentions
The new Mollie Landing Page
10

The new Mollie

Clever payment products for great companies of all sizes.
Pricing:
- Open Source
#Online Payments #Payment Platform #Recurring Billing 3 social mentions
Houidini Landing Page
11

Houidini

Free and open fundraising infrastructure for nonprofits and NGOs.
Pricing:
- Open Source
#Crowdfunding #Fundraising And Donation Management #Online Payments
CureCoin Landing Page
12

CureCoin

The Cure for the Common CryptoCurrency
Pricing:
- Open Source
#Cryptocurrencies #Blockchain #Online Payments 16 social mentions