Cello Alternatives

Piano lets you quickly learn the piano or other musical instruments using cell phones and tablets, and also contains magic tiles and different mini-games.

Git GUI Client. Open Source, Free Software (GPL v2). Run on Windows, macOS and Linux.

Square helps millions of sellers run their business-from secure credit card processing to point of sale solutions. Get paid faster with Square. Sign up today!

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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.

Open Source

Chargebee lets you manage subscriptions and payments at scale, handle custom recurring billing scenarios, reduce subscription churn and simplify accounting.

TortoiseGit is an easy to use client for the Git distributed revision control system.

Open Source

Let your users pay to view content using PayPal.

The intuitive, fast, and beautiful cross-platform Git client.

Magento is the eCommerce software and platform trusted by the world's leading brands. Grow your online business with Magento.

Open Source free

Chordify turns any music or song (YouTube, Deezer, SoundCloud, MP3) into chords.

PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller

Cross-platform, Actionable, Graphical Git Dashboard

Subscription billing and recurring billing management. Recurly offers enterprise-class subscription billing for thousands of companies worldwide.

The easiest way to sell your digital goods online.