Open Source Alternatives to Slice
60 open source Fintech options similar to Slice, 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.
Chargebee69FintechChennai, India$303.0MSubscription management and recurring billing platform for SaaS and e-commerce businesses.
Open source
Axiom58LegalTechNew York, United States$764.0MAI-powered legal operating system for in-house legal teams.
Open source
Clerky46LegalTechSan Francisco, United States$1.5MAutomates legal and administrative tasks for startups, from incorporation to cap table management.
Open source
Letscomply32Compliance Automation$1.5MAI-powered platform for compliance automation and risk management.
Open source
Kira Systems21LegalTechToronto, CanadaAI-powered platform for contract analysis and due diligence in legal and finance.
Open source
- Cathara8LegalTech
Cathara provides a platform for managing and automating complex legal and compliance workflows for businesses.
Open source
Fatturapa6FintechFatturapa.ai offers advanced electronic invoicing and tax compliance solutions for businesses.
Open source
Alchemy76BlockchainSan Francisco, United States$450.0MLeading blockchain developer platform providing infrastructure, APIs, and tools to build scalable Web3 applications.
Open source
Stripe, Inc.72BillingSouth San Francisco, United States$11.4BStripe, Inc. is an Irish-American multinational financial services and software as a service company dual-headquartered in South San Francisco, California, Unit
Open source
Upvest69FintechBerlin, Germany$392.0MA B2B SaaS investment infrastructure platform enabling firms to offer digital investment services.
Open source
Stripes AI68FintechSouth San Francisco, United States$25.4MFinancial infrastructure platform enabling businesses to accept payments and manage global operations.
Open source
LogicGate Risk Cloud68GRCChicago, United States$269.0MAI-powered GRC platform automating risk and compliance workflows for enterprises.
Open source
Ironclad67Legal & ComplianceSan Francisco, United StatesAI-powered contract lifecycle management platform for businesses.
Open source
Chainalysis67FintechNew York, United States$170.0MBlockchain data platform providing compliance, investigation, and risk management software for global institutions and governments.
Open source
Orion Advisor Solutions67FintechOmaha, United States$223.0MTechnology platform for financial advisors to manage client relationships and operations.
Open source
Paddle67FintechLondon, United Kingdom$318.0MPaddle is a comprehensive payments, tax, and subscription solution for SaaS companies.
Open source
Phantom66FintechSan Francisco, United States$268.0MA multi-chain crypto wallet providing secure asset management, trading, and embedded developer SDKs.
Open source
XMTP63AISan Francisco, United States$49.9MExtensible Message Transport Protocol for secure, decentralized, and identity-native messaging across Web3 applications.
Open source
M-Files Content Collaboration63Enterprise SoftwarePlano, United States$201.0MIntelligent content management and automation platform for enterprise information.
Open source
Basis Theory62FintechMill Valley, United States$50.0MIndependent payment vault providing tokenization and data security infrastructure for merchants and platforms.
Open source
Dune Analytics62FintechOslo, Norway$79.4MA collaborative platform for querying, visualizing, and sharing blockchain data using SQL.
Open source
Alloy62FintechSan Francisco, United States$207.0MIdentity risk management platform for financial institutions and fintechs to automate onboarding, fraud prevention, and compliance.
Open source
Workiva62Enterprise SoftwareAmes, United StatesAI-powered platform unifying data and processes for finance, accounting, sustainability, risk, and audit teams.
Open source
Lokalise61LocalizationBerlin, Germany$56.1MA localization platform automating translation workflows and collaboration for global companies.
Open source
Cvent61Event Management SoftwareTysons, United States$232.0MEvent management software platform for planning, executing, and measuring events.
Open source
ARCH60Document / Data ManagementNew York, United States$20.0MAI-powered platform for managing private investment operations and investor communications.
Open source
Addepar60FintechNew York City, United States$412.1MA global technology and data platform empowering investment professionals with insights and tools.
Open source
Fair Isaac Corporation (FICO)60Financial ServicesBozeman, United StatesA global leader in data analytics and decision management software for financial services.
Open source
Juro60LegalTechLondon, United KingdomAI-powered contract automation platform for legal teams.
Open source
Liblab58Developer ToolsAustin, United States$42.0MSDK-as-a-service platform for API providers, offering code generation and SDK management to enhance developer experience.
Open source · Self-hostable
Skyflow58Data PrivacyPalo Alto, United States$100.0MData privacy platform for sensitive data, enabling secure data access and compliance.
Open source
Altana58AINew York, United States$200.0MAI-powered platform providing a shared, intelligent map of the global supply chain for enterprises.
Open source
LeaseAccelerator55Enterprise SoftwareAtlanta, United States$90.0MCloud-based lease accounting and management software for businesses.
Open source
Decentriq55CybersecurityZurich, Switzerland$23.8MEnterprise SaaS platform providing secure, compliant data clean rooms for privacy-first data collaboration.
Open source
OpenZeppelin54BlockchainSan Francisco, United States$37.4MLeading provider of security products and audits for building and operating decentralized blockchain applications.
Open source
Crossmint54FintechMiami, United States$23.6MEnterprise-grade platform providing APIs for blockchain wallets, payments, tokenization, and AI agent commerce.
Open source
OctoParse54Data ExtractionWalnut, United States$15.4MVisual web scraping and data extraction tool.
Open source
OpenOps53EnterpriseSan Francisco, United States$125KNo-code, open-source cloud automation platform for FinOps and custom solutions.
Open source · Self-hostable
Digits53FintechSan Francisco, United StatesAI-powered financial operations platform for businesses.
Open source
CipherOwl52FintechSan Francisco, United States$15.0MAI-native intelligence platform for institutional crypto compliance and security.
Open source
Feathery52FintechTel Aviv, Israel$30.0MClient onboarding and digital account opening platform.
Open source
Open Collective50FintechSan Francisco, United States$2.0MA platform enabling communities to raise, manage, and spend money with full financial transparency.
Open source
Request Finance49FintechSaint-Julien-en-Genevois, France$5.5MAll-in-one finance platform for enterprises to manage crypto and fiat financial operations securely.
Open source
Openfort49FintechBarcelona, Spain$3.0MSmart wallet infrastructure and wallet-as-a-service platform designed for web3 games and applications.
Open source
OpenLaw48LegalTechNew York, United States$6.8MBlockchain-based platform for creating, managing, and executing smart legal agreements.
Open source
Bluprynt47FintechNew York, United States$6.0MThe Compliance OS for Onchain Finance.
Open source
Cma Intelligence47FintechLondon, United Kingdom$1.0MAI-powered platform for compliance, risk, and regulatory intelligence for financial services.
Open source
MOSTLY AI46AIVienna, Austria$25.0MEnterprise platform for generating high-quality, privacy-compliant synthetic data for AI training and testing.
Open source
ZeroDev45FintechNew York, United States$500KSmart account infrastructure platform enabling gasless transactions, social logins, and seamless Web3 user experiences.
Open source
VAIOT45LegalTechMosta, Malta$10.0MAI and blockchain-powered digital contracts and legal services for businesses and consumers.
Open source
Glide Identity45CybersecuritySan Francisco, United States$25.0MVerifies users instantly and securely, without passwords or SMS codes using SIM-based cryptographic authentication.
Open source
Clause44LegalTechNew York, United StatesClause is a platform for creating, managing, and executing smart legal agreements.
Open source
Laserfiche43Enterprise Content ManagementLong Beach, United StatesIntelligent content management and business process automation software for organizations.
Open source
Turnkey43Real Estate TechNew York, United States$30.0MAI-powered platform for automating and streamlining real estate transactions.
Open source
Duely42LegalTechGhent, Belgium$1.1MAI-native legal services for M&A transactions.
Open source
T-REX42FintechNew York, United States$52.0MAI-powered platform for managing and analyzing complex financial data and transactions.
Open source
Credbull41FintechTel Aviv, Israel$1.5MAI-powered platform for managing and optimizing B2B payment workflows.
Open source
t54 Labs41AIDublin, United States$5.0MBuilding trusted financial infrastructure for autonomous AI agents to transact securely across digital ecosystems.
Open source
Appy Pie40No-code DevelopmentNoida, IndiaAI-powered no-code platform for building mobile apps, websites, and automating workflows.
Open source
Meshes39MLOpsTel Aviv, Israel$1.0MA platform for building and managing SaaS integrations, simplifying data flow between applications.
Open source