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Open Source Alternatives
List of open-source alternatives to everyday SaaS products.
btw-so/open-source-alternatives
- List stars
- 8,475
- README repos
- 146
- Indexed repos
- 145
- List commits
- 59
- Forks
- 353
- Open issues
- 43
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Latest repo push 2026-06-03
ghostfolio/ghostfolio
Open Source Wealth Management Software. Angular + NestJS + Prisma + Nx + TypeScript 🤍
TypeScript
#angular#etf#finance#fintech
pushed 2026-05-28
4,892 commits
first commit 2021-04-13
2 list mentions
AI dev signals
Sylius/Sylius
Headless open-source eCommerce platform on top of PHP/Symfony/API Platform
PHP
#api#api-ecommerce#ecommerce#ecommerce-platform
pushed 2026-05-29
40,588 commits
first commit 2011-09-09
2 list mentions
AI dev signals
crater-invoice-inc/crater
Open Source Invoicing Solution for Individuals & Businesses
PHP
#invoices#javascript#laravel#laravel-framework
pushed 2024-08-10
1,292 commits
first commit 2019-11-11
1 list mention
Remix-Design/RemixIcon
Open source neutral style icon system
Less
#icon#icon-font#icon-pack#svg
pushed 2026-04-28
222 commits
first commit 2018-12-16
1 list mention
Graylog2/graylog2-server
Free and open log management
Java
#amqp#gelf#graylog#hacktoberfest
pushed 2026-05-29
29,041 commits
first commit 2010-05-17
2 list mentions
AI dev signals
twbs/icons
Official open source SVG icon library for Bootstrap.
TypeScript
#bootstrap#font#icons#sprite
pushed 2026-05-21
1,291 commits
first commit 2019-07-26
1 list mention
AI dev signals
webiny/webiny-js
Open-source, self-hosted CMS platform on AWS serverless (Lambda, DynamoDB, S3). TypeScript framework with multi-tenancy, lifecycle hooks, GraphQL API, and AI-assisted development via MCP server. Built for developers at large organizations.
TypeScript
#ai-assisted-development#aws#aws-lambda#cms
pushed 2026-05-29
19,393 commits
first commit 2018-01-09
1 list mention
AI dev signals
fonoster/fonoster
🚀 The open-source alternative to Twilio.
TypeScript
#cloud#cloud-communications-platform#cpaas#customer-engagement
pushed 2026-05-17
6,110 commits
first commit 2018-02-04
1 list mention
plasmicapp/plasmic
Visual builder for React. Build apps, websites, and content. Integrate with your codebase.
TypeScript
#builder#cms#design#design-systems
pushed 2026-05-30
7,401 commits
first commit 2019-11-06
1 list mention
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humhub/humhub
HumHub is an Open Source Enterprise Social Network. Easy to install, intuitive to use and extendable with countless freely available modules.
PHP
#awesome#enterprise-social-networks#humhub#ldap
pushed 2026-05-26
11,243 commits
3 list mentions
AI dev signals
spacebarchat/spacebarchat
📬 Spacebar is a free open source selfhostable discord compatible communication platform
#discord#discord-open-source#foss#open-source
pushed 2026-04-09
380 commits
first commit 2021-01-27
2 list mentions
Flagsmith/flagsmith
Flagsmith is an open source feature flagging and remote config service. Self-host or use our hosted version at https://app.flagsmith.com.
Python
DjangoDjango REST FrameworkExpress
npmuv
#cd#ci#continuous-integration#docker
pushed 2026-06-02
6,146 commits
first commit 2018-06-05
4 list mentions
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openblocks-dev/openblocks
🔥 🔥 🔥 The Open Source Retool Alternative
TypeScript
#admin-dashboard#app-builder#app-development#business-intelligence
pushed 2023-10-19
535 commits
first commit 2022-11-14
1 list mention
passbolt/passbolt_api
Passbolt Community Edition (CE) API. The JSON API for the open source password manager for teams!
PHP
#cakephp#cakephp5#credentials#passbolt
pushed 2026-05-12
33,312 commits
3 list mentions
AI dev signals
JanusGraph/janusgraph
JanusGraph: an open-source, distributed graph database
Java
#bigtable#cassandra#elasticsearch#graph
pushed 2026-05-18
7,384 commits
first commit 2012-02-26
1 list mention
zammad/zammad
Zammad is a web based open source helpdesk/customer support system.
Ruby
#coffeescript#customer-care#customer-support#graphql
pushed 2026-05-26
19,120 commits
3 list mentions
AI dev signals
writefreely/writefreely
A clean, Markdown-based publishing platform made for writers. Write together and build a community.
Go
#activitypub#beta#blogging#federation
pushed 2026-05-22
1,889 commits
3 list mentions
OpenTSDB/opentsdb
A scalable, distributed Time Series Database.
Java
pushed 2024-12-12
1,712 commits
first commit 2010-04-11
1 list mention
jitsucom/jitsu
Jitsu is an open-source Segment alternative. Fully-scriptable data ingestion engine for modern data teams. Set-up a real-time data pipeline in minutes, not days
TypeScript
#bigquery#clickhouse#data-collection#data-connectors
pushed 2026-05-29
2,962 commits
first commit 2022-06-22
1 list mention
AI dev signals
kimai/kimai
Kimai is the #1 open-source time-tracking application. From freelancers to companies and organisations - everyone can manage timesheets, generate reports, create invoices and so much more... Web-based multi-user application, available as On-Premise or SaaS version: https://www.kimai.org
PHP
#doctrine#invoice#invoicing#kimai
pushed 2026-05-27
1,645 commits
first commit 2016-10-20
2 list mentions
AI dev signals
kubero-dev/kubero
A free and self-hosted PaaS alternative to Heroku / Netlify / Coolify / Vercel / Dokku / Portainer running on Kubernetes
TypeScript
#ci-cd#cloud#coolify#developer-tools
pushed 2026-04-15
2,200 commits
first commit 2022-05-17
2 list mentions
memgraph/memgraph
High-performance open-source in-memory graph database for GraphRAG, AI memory, agentic AI, and real-time graph analytics. Cypher-compatible, built in C++.
C++
#ai#ai-agents#ai-memory#context-graph
pushed 2026-05-29
4,988 commits
first commit 2015-06-18
1 list mention
cozodb/cozo
A transactional, relational-graph-vector database that uses Datalog for query. The hippocampus for AI!
Rust
#client-server#cozo#cozoscript#cross-platform
pushed 2024-12-04
1,813 commits
first commit 2022-04-01
2 list mentions
LimeSurvey/LimeSurvey
🔥 LimeSurvey – A powerful, open-source survey platform. A free alternative to SurveyMonkey, Typeform, Qualtrics, and Google Forms, making it simple to create online surveys and forms with unmatched flexibility.
JavaScript
#html5#javascript#limesurvey#mssql
pushed 2026-05-29
42,935 commits
first commit 2003-03-07
2 list mentions
linuxfoundation/crowd.dev
LFX Community Data Platform (CDP)
TypeScript
#cdp#community#open-source
pushed 2026-05-29
4,460 commits
first commit 2022-08-25
1 list mention
AI dev signals
Peppermint-Lab/peppermint
An open source issue management & help desk solution. A zendesk & jira alternative
TypeScript
#crm#customer-relationship-management#docker#full-stack
pushed 2025-09-21
1,730 commits
first commit 2020-11-05
1 list mention
padloc/padloc
A modern, open source password manager for individuals and teams.
JavaScript
#cryptography#end-to-end-encryption#javascript#lit-element
pushed 2025-03-29
3,417 commits
3 list mentions
silexlabs/Silex
Silex is an online tool for visually creating static sites with dynamic data. With the free/libre spirit of internet, together.
JavaScript
#composable#design#grapesjs#jamstack
pushed 2026-05-23
263 commits
first commit 2022-03-01
1 list mention
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Open-Web-Analytics/Open-Web-Analytics
Official repository for Open Web Analytics which is an open source alternative to commercial tools such as Google Analytics. Stay in control of the data you collect about the use of your website or app. Please consider sponsoring this project.
PHP
#owa#php#privacy#web-analytics
pushed 2026-02-28
2,037 commits
2 list mentions
KlausSchaefers/quant-ux
Quant-UX - Prototype, Test and Learn
Vue
pushed 2026-05-27
1,655 commits
first commit 2019-04-22
1 list mention
firecamp-dev/firecamp
Developer-first OpenSource API DevTool, Postman/Insomnia alternative.
TypeScript
#api#api-client#graphql#graphql-playground
pushed 2026-03-04
2,146 commits
first commit 2022-09-20
1 list mention
openflagr/flagr
Flagr is a feature flagging, A/B testing and dynamic configuration microservice
Go
#ab-testing#dynamic-configuration#feature-flags#feature-toggles
pushed 2026-05-27
814 commits
first commit 2017-10-02
1 list mention
AI dev signals
dashpresshq/dashpress
Generate powerful admin apps without writing a single line of code - Run `npx dashpress` to see some magic!
TypeScript
#admin#admin-dashboard#admin-panel#admin-ui
pushed 2024-12-21
1,231 commits
first commit 2022-05-18
1 list mention
featbit/featbit
Enterprise-grade feature flag platform that you can self-host. Get started - free.
C#
#ab-test#ab-testing#asp-net-core#continuous-delivery
pushed 2026-05-28
1,086 commits
first commit 2022-08-28
2 list mentions
itswadesh/svelte-commerce
The open-source storefront for any ecommerce. Built with a headless approach, using a modern JS stack. Works with Litekart, Medusa. WIP for Shopify.
Svelte
#cart#ecommerce#faceted-search#filters
pushed 2026-05-29
2,193 commits
first commit 2019-10-03
1 list mention
AI dev signals
kairosdb/kairosdb
Fast scalable time series database
Java
#java#kairosdb#metrics#timeseries
pushed 2026-03-05
1,479 commits
first commit 2013-02-05
2 list mentions
ycm-core/ycmd
A code-completion & code-comprehension server
C++
#code-analysis#code-completion#editor#semantic-engine
pushed 2026-05-28
3,356 commits
first commit 2014-05-13
1 list mention
Elgg/Elgg
A social networking engine in PHP/MySQL
PHP
#elgg#framework#hacktoberfest#php
pushed 2026-05-26
21,447 commits
3 list mentions
btw-so/btw
Open source Medium alternative- set up your personal blog in minutes.
JavaScript
#blog-platform#medium#no-code#note-taking
pushed 2026-03-14
150 commits
first commit 2023-02-24
1 list mention
revertinc/revert
Revert makes it incredibly easy to build integrations with any third party API
TypeScript
#access-token#api#crms#good-first-issue
pushed 2025-04-07
679 commits
first commit 2022-01-25
1 list mention
element-hq/element-call
Group calls powered by Matrix
TypeScript
#matrix#matrixrtc#videoconference#voip
pushed 2026-05-29
6,985 commits
first commit 2021-07-16
1 list mention
SolidInvoice/SolidInvoice
Simple and elegant invoicing solution.
PHP
#billing#billing-application#hacktoberfest#invoice
pushed 2026-05-29
4,930 commits
first commit 2012-02-14
2 list mentions
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bugzilla/bugzilla
Official repository for the Bugzilla bug tracking system. Report bugs to https://bugzilla.mozilla.org/enter_bug.cgi?product=Bugzilla&format=__default__ . Main website:
Perl
#perl
pushed 2026-02-19
9,542 commits
first commit 1998-08-26
2 list mentions
dotenx/dotenx
No-code and Low-code all-in-one platform to build landing pages, websites, web applications, APIs, automations. An alternative for Wix, Webflow, Zapier, and more
TypeScript
#application-launcher#automation#backend#form
pushed 2024-04-13
1,202 commits
first commit 2022-01-30
1 list mention