Supabase is an open-source Firebase alternative headquartered in San Francisco, United States, providing PostgreSQL database, authentication, realtime subscriptions, and storage as a backend platform for building apps.
TinyPNG is an online image compression tool created in the Netherlands in 2014, typically reducing file size by 50-80% through smart lossy compression, with 500 free API compressions per month - a common choice for front-end and website image optimization.
Remove.bg is an AI background removal tool founded in 2018 in Munich, Germany, removing image backgrounds automatically in about 5 seconds and serving 20 million+ users with API, Photoshop, and Figma plugin capabilities.
Timely (timely-time) is the timeline and team management view of Timely, where automatic timelines record hours minute by minute and team views, budgets, cost rates and an API turn time into accountable business data.
Kimai is an AGPLv3 open-source time tracking system from Germany supporting multi-project, multi-customer accounting and PDF invoice export, self-hostable for data sovereignty and a common choice for privacy- and cost-conscious teams.
CertCenter is a German SSL certificate aggregation platform integrating Sectigo, DigiCert, GlobalSign and more, offering API-based bulk management and automatic renewal at 15%-25% below direct CA pricing.
Habitica is a gamified habit and to-do management platform from the United States with over 4 million users, turning habits, dailies and to-dos into an RPG leveling game that is free to use with an open-source core.
Founded in 2016, Forward Email is a fully open-source (MIT license) free email forwarding service with custom domain support. Zero ads, zero tracking, encrypted delivery, with API and SMTP relay — the go-to email forwarding solution for privacy-conscious developers.
Icons8 is an all-in-one design resource platform offering a 200,000+ icon library, thousands of illustration sets, HD photos and an AI icon generator, with an API for bulk fetching to help designers and developers source and customize visuals.
osTicket is one of the most widely used open-source ticketing systems, free under GPLv2 and self-hosted, with over 10 million downloads. Its lightweight architecture and mature SLA and knowledge base make it the go-to for budget-conscious teams.
Chatwoot is an open-source customer communication platform founded in 2017 in Mumbai, India; the MIT-licensed community edition is free to self-host, with a 6+ channel unified inbox and cloud plans from $15/agent/month as an open-source Intercom alternative.
Serpstat is an all-in-one SEO platform founded in 2016, with a database covering 8.62B keywords and 230 countries, over 1.1M users, and known for its value pricing and 7-day free trial.
HappyFox is a help desk and ticketing platform founded in San Francisco in 2011, with its R&D center in Chennai, India. It offers a unified multi-channel inbox, SLA management, visual workflows, a knowledge base, and community forums, suited to mid-to-large enterprise support teams.
BinaryLane is an Australian cloud provider founded in 2009 with 100% NVMe storage and hourly billing, starting at $4.90/mo for 1GB RAM, plus API, load balancing, and automated backups.