Awesome list of open-source startup alternatives to well-known SaaS products 🚀
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Sep 3, 2025 - Python
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Software as a service
Instead of hosting software using a web hosting service or inhouse solution, software as a service doesn’t just provide a software solution but it also comes shipped on a server, accessible through the cloud, usually shared with other tenants.
Here are 198 public repositories matching this topic...
Turn your software into a business.
react python typescript nextjs payments saas subscriptions polar digital-products fastapi turborepo merchant-of-record
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Oct 2, 2025 - Python
Users and authentication management SaaS
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Sep 29, 2025 - Python
a payments Django app for Stripe
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Aug 18, 2022 - Python
A SDK/library for decentralized web and distributing computing projects
iot library cryptography sdk big-data mesh-networks offline-first peer-to-peer decentralized blockchain p2p saas developer-tools protocols grid-computing decentralized-applications dapps dweb decentralized-internet biostatistical-computing
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Oct 2, 2025 - Python
Towards Generalized and Efficient Blackbox Optimization System/Package (KDD 2021 & JMLR 2024)
distributed-systems saas constrained-optimization multi-objective-optimization bayesian-optimization hyper-parameter-optimization blackbox-optimization automatic-machine-learning
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Sep 18, 2025 - Python
Free and source-available Apache 2.0 licensed lightweight workflow automation tool.
python workflow orchestration-framework bpmn self-hosted saas onboarding approval-process workflow-management workflow-automation human-in-the-loop workflow-tool hitl employee-onboarding
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Oct 2, 2025 - Python
Flask template with microservices architecture. Fully integrated with Stripe 🚀
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Feb 15, 2023 - Python
A generic service to send, retry, and manage webhooks
python docker redis docker-compose webhook http2 saas message-queue request rich message-broker rq fastapi httpx
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Oct 1, 2025 - Python
Anonymous, end-to-end encrypted reporting for organizations and individuals.
law platform education business encryption pgp tor journalism paas saas anonymous whistleblowing managed-service tip-line
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Sep 23, 2025 - Python
SaaS hands-on to describe partitioning approaches to store multi-tenant data on Amazon S3.
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Nov 2, 2022 - Python
sveltekit / svelte5 with django; auth, forms-actions, toast/flash messages, validations and more
django svelte saas toast django-template tailwindcss saas-boilerplate svelte-template django-svelte svelte5 tailwind4
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Mar 13, 2025 - Python
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