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Best Open Source Projects using Hacktoberfest

A collection of the best open source projects using Hacktoberfest. Find the best tools for Hacktoberfest that are open source and free to use/self-hostable.

Favicon of Strapi website

Strapi

The next-gen headless CMS, open-source, javascript, enabling content-rich experiences to be created, managed and exposed to any digital device.

  • Stars

    61,233
  • Forks

    7,635
  • Last commit

    21 hours ago
Favicon of Rustdesk website

Rustdesk

An open-source remote desktop, and alternative to TeamViewer.

  • Stars

    65,913
  • Forks

    7,234
  • Last commit

    17 hours ago
Favicon of Ghost website

Ghost

Independent technology for modern publishing, memberships, subscriptions and newsletters.

  • Stars

    46,070
  • Forks

    10,060
  • Last commit

    10 hours ago
Favicon of Rocket.Chat website

Rocket.Chat

The communications platform that puts data protection first.

  • Stars

    39,165
  • Forks

    10,025
  • Last commit

    1 day ago
Favicon of AppFlowy website

AppFlowy

AppFlowy is an open-source alternative to Notion. You are in charge of your data and customizations. Built with Flutter and Rust.

  • Stars

    49,853
  • Forks

    3,274
  • Last commit

    10 hours ago
Favicon of Gitea website

Gitea

Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD

  • Stars

    42,692
  • Forks

    5,276
  • Last commit

    11 hours ago
Favicon of ClickHouse website

ClickHouse

A fast open-source column-oriented database management system that allows generating analytical data reports in real-time using SQL queries.

  • Stars

    35,034
  • Forks

    6,570
  • Last commit

    12 hours ago
Favicon of TiDB website

TiDB

TiDB is an open-source, cloud-native, distributed, MySQL-Compatible database for elastic scale and real-time analytics.

  • Stars

    36,375
  • Forks

    5,726
  • Last commit

    22 hours ago
Favicon of AppWrite website

AppWrite

Build like a team of hundreds_

  • Stars

    41,814
  • Forks

    3,771
  • Last commit

    1 day ago
Favicon of Hoppscotch website

Hoppscotch

Open source API development ecosystem

  • Stars

    60,962
  • Forks

    4,235
  • Last commit

    1 month ago
Favicon of NocoDB website

NocoDB

Open Source Airtable Alternative

  • Stars

    43,271
  • Forks

    3,005
  • Last commit

    10 hours ago
Favicon of Trigger website

Trigger

Trigger.dev is the open source background jobs framework for TypeScript. With features like API integrations, webhooks, scheduling and delays.

  • Stars

    7,463
  • Forks

    422
  • Last commit

    17 hours ago
Favicon of Sentry website

Sentry

Developer-first error tracking and performance monitoring

  • Stars

    37,323
  • Forks

    4,014
  • Last commit

    10 hours ago
Favicon of Novu website

Novu

The open-source notification infrastructure with fully functional embedded notification center

  • Stars

    33,489
  • Forks

    3,437
  • Last commit

    15 hours ago
Favicon of AppSmith website

AppSmith

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

  • Stars

    32,109
  • Forks

    3,468
  • Last commit

    18 hours ago
Favicon of ToolJet website

ToolJet

Low-code platform for building business applications. Connect to databases, cloud storages, etc and build apps using drag and drop application builder.

  • Stars

    27,916
  • Forks

    3,391
  • Last commit

    18 hours ago
Favicon of Outline website

Outline

The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible

  • Stars

    25,744
  • Forks

    2,066
  • Last commit

    21 hours ago
Favicon of Refine website

Refine

A React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibility.

  • Stars

    25,609
  • Forks

    1,925
  • Last commit

    18 hours ago
Favicon of Medusa website

Medusa

Building blocks for digital commerce.

  • Stars

    23,493
  • Forks

    2,225
  • Last commit

    16 hours ago
Favicon of Chatwoot website

Chatwoot

Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc.

  • Stars

    19,420
  • Forks

    3,068
  • Last commit

    2 days ago
Favicon of Hey website

Hey

A decentralized and permissionless social media app built with Lens Protocol 🌿

  • Stars

    22,617
  • Forks

    1,493
  • Last commit

    16 hours ago
Favicon of Matomo website

Matomo

Google Analytics alternative that protects your data and your customers' privacy

  • Stars

    19,224
  • Forks

    2,581
  • Last commit

    12 hours ago
Favicon of Focalboard website

Focalboard

An open source, self-hosted alternative to Trello, Notion, and Asana.

  • Stars

    20,516
  • Forks

    1,788
  • Last commit

    2 days ago
Favicon of Timescale website

Timescale

An open-source time-series SQL database optimized for fast ingest and complex queries. Packaged as a PostgreSQL extension.

  • Stars

    16,690
  • Forks

    849
  • Last commit

    23 hours ago
Favicon of Element website

Element

A secure communications platform built around you.

  • Stars

    10,763
  • Forks

    1,890
  • Last commit

    17 hours ago
Favicon of Illa website

Illa

Low-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc.

  • Stars

    10,946
  • Forks

    1,070
  • Last commit

    2 days ago
Favicon of Apache Answer website

Apache Answer

A Q&A platform software for every team to build an online community forum, developer hub, or knowledge management platform, etc.

  • Stars

    11,745
  • Forks

    841
  • Last commit

    1 week ago
Favicon of SuperTokens website

SuperTokens

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

  • Stars

    12,099
  • Forks

    474
  • Last commit

    3 days ago
Favicon of Unleash website

Unleash

Open-source feature management solution built for developers.

  • Stars

    10,526
  • Forks

    658
  • Last commit

    1 day ago
Favicon of ActivePieces website

ActivePieces

Your friendliest open source all-in-one automation tool ✨ Workflow automation tool 100+ integration / Enterprise automation tool / Zapier Alternative

  • Stars

    8,396
  • Forks

    910
  • Last commit

    17 hours ago
Favicon of Notesnook website

Notesnook

A fully open source & end-to-end encrypted note taking alternative to Evernote.

  • Stars

    8,639
  • Forks

    521
  • Last commit

    6 days ago
Favicon of Logto website

Logto

Identity infrastructure for developers

  • Stars

    7,565
  • Forks

    370
  • Last commit

    1 day ago
Favicon of Formbricks website

Formbricks

Open Source Survey Platform

  • Stars

    5,740
  • Forks

    917
  • Last commit

    1 day ago
Favicon of Flagsmith website

Flagsmith

Open Source Feature Flagging and Remote Config Service.

  • Stars

    4,490
  • Forks

    335
  • Last commit

    19 hours ago
Favicon of Komiser website

Komiser

Open-source cloud-environment inspector. Supporting AWS, GCP, Azure, and more! Your cloud resources will have nowhere to hide!

  • Stars

    3,878
  • Forks

    424
  • Last commit

    2 days ago
Favicon of Crowd website

Crowd

The developer data platform to centralize community, product, and customer data

  • Stars

    3,244
  • Forks

    768
  • Last commit

    1 month ago
Favicon of Ghostfolio website

Ghostfolio

Open Source Wealth Management Software.

  • Stars

    3,735
  • Forks

    352
  • Last commit

    15 hours ago
Favicon of Papermark website

Papermark

Papermark is the open-source DocSend alternative with built-in analytics and custom domains.

  • Stars

    2,588
  • Forks

    295
  • Last commit

    16 hours ago
Favicon of OpenSign website

OpenSign

The free & Open Source DocuSign alternative

  • Stars

    2,652
  • Forks

    192
  • Last commit

    22 hours ago
Favicon of Wakapi website

Wakapi

Wakapi is an open-source tool that helps you keep track of the time you have spent coding on different projects in different programming languages and more.

  • Stars

    2,336
  • Forks

    146
  • Last commit

    1 week ago
Favicon of LinkStack website

LinkStack

Highly customizable link sharing platform with an intuitive, easy to use user interface.

  • Stars

    2,040
  • Forks

    210
  • Last commit

    1 day ago
Favicon of Requestly website

Requestly

Most Popular developer tool for frontend developers & QAs to debug web and mobile applications.

  • Stars

    1,857
  • Forks

    156
  • Last commit

    1 day ago
Favicon of BoxyHQ website

BoxyHQ

Suite of APIs for security, privacy and enterprise compliance. SAML SSO, Directory Sync (SCIM), Audit Logs and Data Privacy Vault!

  • Stars

    1,633
  • Forks

    148
  • Last commit

    1 day ago
Favicon of Firecamp website

Firecamp

OSS Postman alternative

  • Stars

    1,677
  • Forks

    114
  • Last commit

    1 month ago
Favicon of Dyrector website

Dyrector

A self-hosted continuous delivery & deployment platform with version management.

  • Stars

    1,134
  • Forks

    88
  • Last commit

    1 week ago
Favicon of Revert website

Revert

Open source unified API for product integrations

  • Stars

    876
  • Forks

    67
  • Last commit

    5 days ago
Favicon of LogChimp website

LogChimp

Track your customers feedback to build better products with LogChimp.

  • Stars

    655
  • Forks

    88
  • Last commit

    1 month ago
Favicon of Werbot website

Werbot

🔑 Share access for teams - self-hosted solution for teams with single sign-on for easy, secure shared access to servers, databases or applications.

  • Stars

    86
  • Forks

    6
  • Last commit

    2 weeks ago
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