Description: BoxBilling is an open source billing and client management system for small businesses. It allows creating invoices, accepting payments, managing clients, services, products and subscriptions all in one platform.
Type: software
Pricing: Open Source
Description: RemNote is a free, open-source spaced repetition and note-taking app. It uses an interconnected web of notes to promote understanding and long-term memory retention. Key features include note linking, spaced repetition flashcards, knowledge graphs to visualize connections, and excellent mobile apps.
Type: software
Pricing: Open Source