Open Source Alternatives to Roblox
60 open source Gaming options similar to Roblox, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Aemetis15Climate TechCupertino, United StatesAemetis is a renewable fuels and biochemicals company focused on low-carbon solutions like RNG and SAF.
Open source · Self-hostable
Animoca Brands47Web3Hong Kong, Hong Kong$727.5MA global leader in digital property rights for the metaverse and web3 gaming.
Open source
3dfy Labs143D ScanningToronto, Canada3dfy Labs is a startup focused on 3D scanning and digital asset creation.
Open source
- Socialrender9Generative AI
Open source
Salon Mahjong6GamingAn online platform for playing mahjong combined with exclusive salon services.
Open source
Automattic73Web DevelopmentSan Francisco, United States$300.0MThe company behind WordPress.com, WooCommerce, Tumblr, and Jetpack, empowering individuals and businesses to build and manage their online presence.
Open source · Self-hostable
Games24x766GamingMumbai, India$75.0MIndian online gaming company specializing in skill-based and casual games, leveraging AI and data science.
Open source
Civitai61Generative AISan Francisco, United States$5.1MA leading open-source generative AI community for creating, sharing, and discovering AI-generated media.
Open source · Self-hostable
Mastodon51Social MediaJena, Germany$63.0MA decentralized, open-source social media platform and alternative to larger apps like X and Threads.
Open source · Self-hostable
Heroic Labs47GamingLisbon, PortugalSocial infrastructure for games, makers of Nakama game server.
Open source · Self-hostable
Sorare46Fantasy SportsParis, FranceFantasy sports platform using blockchain-based digital collectibles for player cards.
Open source
Getgud.io45GamingTel Aviv, Israel$1.5MAI-powered platform for competitive gamers to analyze gameplay and improve skills.
Open source
- VIVirtuals Protocol34BlockchainSan Francisco, United States
Decentralized platform for creating, co-owning, and deploying autonomous AI agents in gaming and entertainment.
Open source
Audius34Music TechSan Francisco, United States$5.0MA decentralized music streaming platform that empowers artists and fans directly.
Open source
GoStream26Live StreamingHo Chi Minh City, VietnamVietnamese startup offering a platform for multi-platform live streaming and e-commerce.
Open source
- SASavvy Apps25GamingNew York, United States
A mobile game show platform featuring word puzzle games hosted by Scott Rogowsky.
Open source
Artik24Social MediaA premium domain marketplace offering expert-curated, brandable domains for businesses.
Open source
Lemmy23Social MediaA decentralized, open-source social link aggregator and discussion platform for communities.
Open source · Self-hostable
Nike Run Club18Consumer AppBeaverton, United StatesA free running app that provides guided runs, training plans, and community features to motivate runners.
Open source
PFPMe10Consumer AppFree AI-powered tool to generate platform-optimized profile pictures for social media.
Open source
PinDrop9GamingFree, ad-free, interactive game companion maps and data for Palworld and other games.
Open source
Quotarocket9StartupQuotarocket.io: Get ready for our website launch. Stay updated and connect with us!
Open source
WindowsGSH8GamingA Windows desktop application for installing, updating, monitoring, and troubleshooting dedicated game servers.
Open source
Qronline8GamingQPAC operates Hitclub, a multi-platform online gaming portal offering card games, casino games, and jackpot slots.
Open source
BNB7BlockchainDubai, United Arab EmiratesA decentralized blockchain ecosystem powering a wide range of Web3 applications, including DeFi, gaming, and NFTs.
Open source · Self-hostable
Wowooo Limited7Creator EconomyA platform connecting content creators with their audience for engagement and monetization.
Open source
Meetpulse6Consumer AppStay updated on our website launch and subscribe to our newsletter for the latest news and promotions.
Open source
Netflix81Media & EntertainmentLos Gatos, USA$4.7BThe world's leading streaming entertainment service.
Open source
Shopify78E-commerce PlatformOttawa, Canada$122.3MShopify provides a leading e-commerce platform that enables businesses of all sizes to create online stores, manage products, process payments, and fulfill orders, simplifying digital sales globally.
Open source
SpaceXAI76Frontier AI LabPalo Alto, United States$90.0BSpaceXAI is an artificial intelligence and social media company, a subsidiary of SpaceX, developing the generative AI chatbot Grok and the social network X.
Open source
eToro74FintechLimassol, Cyprus$524.0MeToro is a social investing platform enabling users to trade stocks, crypto, and ETFs, and copy top-performing investors.
Open source
Moon Active72GamingTel Aviv, Israel$425.0MMoon Active is a leading mobile game development company known for creating Coin Master, a highly popular game combining slot machine mechanics with village-building.
Open source
Wix71WebsiteTel Aviv, Israel$1.3BWix is a leading cloud-based web development platform that allows users to create professional websites and online presences.
Open source
HeyGen70VideoSan Francisco, United States$42.5MHeyGen is an AI-powered video platform that enables users to create high-quality videos with realistic AI avatars and multilingual voice cloning, transforming text into engaging content in minutes.
Open source
Elementor69WebsiteRamat Gan, Israel$65.8MElementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools.
Open source · Self-hostable
Cockroach Labs66EnterpriseNew York, United States$308.1MCloud-native distributed SQL database for mission-critical applications requiring high availability and scalability.
Open source
Sett65GamingTel Aviv, Israel$57.0MAI-powered creative performance platform for mobile games, generating and testing ad concepts at scale.
Open source
Storyblocks63Creator EconomyWashington, United States$50.0MSubscription-based platform offering royalty-free stock media for creators and businesses.
Open source
Chai Research61AI CompanionPalo Alto, United States$55.0MAI character and companion platform with 2M daily active users and $40M ARR.
Open source
twittpr.com61Social PlatformSan Francisco, United States$20.3BA global real-time information network and microblogging platform.
Open source
Addressable61Web3San Francisco, United States$13.5MWeb3 growth suite for targeted user acquisition on social and web channels.
Open source
MOJO56Website BuilderTel Aviv, Israel$199.0MThe quality of our relationships determines the quality of our life. Mojo gives you the tools, the expertise, and the support to make them extraordinary.
Open source
Excelero56Data CenterSanta Clara, United States$25.0MNVIDIA is a global leader in accelerated computing, pioneering GPU-accelerated computing for gaming, professional visualization, data centers, and autonomous machines.
Open source
Beatoven.ai55AI Music GenerationGurugram, India$3.4MAI-powered platform for generating original, royalty-free background music for videos and podcasts.
Open source
Cypher Games54Mobile GamesIstanbul, Turkey$14.7MIstanbul-based mobile game developer creating innovative casual games with a focus on social and puzzle mechanics.
Open source
Astria AI54MediaSan Francisco, United States$22.0MPersonalized AI models for unique image and video generation.
Open source
Ghost53Publishing PlatformSingapore, Singapore$7.4MAn open-source platform for professional publishers to create, share, and grow a business around their content.
Open source · Self-hostable
Comfy Org53AI Image Generation$30.0MComfy is an AI creation engine for visual professionals, offering granular control over AI models, parameters, and outputs through a node-based workflow on an infinite canvas.
Open source
Odeeo52AudioTel Aviv, Israel$6.0MIn-game audio advertising platform for game developers and advertisers.
Open source
Origin Protocol51Web3San Francisco, United States$88.0MDecentralized platform for creating and trading NFTs and DeFi products.
Open source
Hathora50GamingNew York City, United States$7.6MA real-time compute and server orchestration platform focused on multiplayer games and AI inference.
Open source
Openfort49FintechBarcelona, Spain$3.0MSmart wallet infrastructure and wallet-as-a-service platform designed for web3 games and applications.
Open source
AltStore PAL47SoftwareSan Francisco, USA$6.0MA platform for iOS developers to share app updates and alerts across federated social networks.
Open source
Lumen547AI Video GenerationSan Francisco, United StatesAI-powered video creation platform for businesses to quickly produce engaging social media content.
Open source
Sauce47FoodNew York, United States$2.5MWhite-label direct ordering platform for restaurants, enabling commission-free online sales.
Open source
CGTrader463D PrintingVilnius, LithuaniaA global marketplace for 3D models, offering a vast library for designers and developers.
Open source
AYD44Creator EconomySan Francisco, United StatesAYD is a platform that helps creators manage their businesses and monetize their content.
Open source
Yield Guild43GamingManila, Philippines$5.3MA decentralized gaming guild that invests in NFTs for blockchain-based games and virtual worlds.
Open source
Playgama43GamingDubai, United Arab Emirates$3.0MPlatform for HTML5 game developers to publish, monetize, and scale games globally.
Open source
PlayFab42SaaSSeattle, United States$13.1MA comprehensive backend platform providing live operations, analytics, and multiplayer services for game developers.
Open source