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Open Source Projects using Resend

A curated collection of the 77 best open source software using Resend. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Favicon of Languine

Languine

Automated localization for modern development teams

  • Stars

    2,033

  • Last commit

    5 months ago

  • License

    MIT
A developer-focused localization platform that automates translation workflows within your existing development pipeline and CI/CD processes.

Open Source Alternative to:

Favicon of Crowdin
Crowdin
Favicon of Vrite

Vrite

Collaborative content creation for technical teams

  • Stars

    2,004

  • Last commit

    5 days ago

  • License

    AGPL-3.0
A powerful platform for technical writing, offering real-time collaboration, version control, and seamless integrations.

Open Source Alternative to:

Favicon of Mintlify
Mintlify
Favicon of Flowglad

Flowglad

AI
Cross-system automation and knowledge base for accounting firms

  • Stars

    1,722

  • Last commit

    5 months ago

  • License

    Unknown
Connects client data across tools, automates recurring accounting workflows, and maintains a self-updating knowledge base with human approval controls.
Favicon of Conar

Conar

AI-powered PostgreSQL management made simple

  • Stars

    1,452

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
Modern PostgreSQL database management with AI-powered filtering, natural language queries, and cloud sync. Focus on your data while AI handles complexity.

Open Source Alternative to:

Favicon of TablePlus
TablePlus
Favicon of Databuddy

Databuddy

Privacy-first analytics without cookies or tracking

  • Stars

    1,203

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
Get powerful web analytics with zero cookies, 100% GDPR compliance, and full data ownership. Lightweight 3KB script delivers real-time insights without compromising user privacy.

Open Source Alternative to:

Favicon of Google Analytics
Google Analytics
Favicon of Pearl

Pearl

AI
AI-powered automation that lives in your Slack workspace

  • Stars

    1,098

  • Last commit

    6 months ago

  • License

    Apache-2.0
Connect all your apps through Pearl, an AI assistant that automates workflows directly in Slack. No coding required - save 10+ hours weekly with intelligent task automation.

Open Source Alternative to:

Favicon of Viktor
Viktor
Favicon of Linky

Linky

A delightfully rich and dynamic link-in-bio.

  • Stars

    798

  • Last commit

    18 days ago

  • License

    MIT
Build a dynamic link-in-bio page with a drag-and-drop editor. Integrate platforms to showcase live content and connect with your audience.

Open Source Alternative to:

Favicon of LinkTree
LinkTree
Favicon of Cossistant

Cossistant

AI
AI-native support infrastructure for modern SaaS

  • Stars

    734

  • Last commit

    28 days ago

  • License

    AGPL-3.0
Open-source support platform combining AI and human agents. React components with shadcn/ui design philosophy, styled with Tailwind CSS for NextJS apps.

Open Source Alternative to:

Favicon of LiveChat
LiveChat
Favicon of Contentport

Contentport

Your content engine for growing on Twitter at scale

  • Stars

    769

  • Last commit

    10 months ago

  • License

    AGPL-3.0
Create, schedule & manage Twitter content at scale with AI assistance, beautiful visuals, and multi-account support. Perfect for busy founders.

Open Source Alternative to:

Favicon of Post Bridge
Post Bridge
Favicon of Argos

Argos

Visual regression testing for seamless UI development

  • Stars

    640

  • Last commit

    6 hours ago

  • License

    MIT
Automate visual testing, catch UI bugs early, and collaborate effortlessly with your team to maintain pixel-perfect interfaces.

Open Source Alternative to:

Favicon of Chromatic
Chromatic
Favicon of Loops

Loops

Federated short videos without corporate control

  • Stars

    458

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
Open-source, decentralized short-video platform that gives creators control. No ads, no lock-in, built on ActivityPub for true community ownership.

Open Source Alternative to:

Favicon of YouTube
YouTube
Favicon of VerifyWise

VerifyWise

AI
AI governance made simple, secure, and compliant

  • Stars

    364

  • Last commit

    9 hours ago

  • License

    AGPL-3.0
Open-source AI governance platform helping teams meet regulatory standards like EU AI Act and ISO 42001. Monitor model performance, manage risks, and maintain compliance with enterprise-grade security.

Open Source Alternative to:

Favicon of Scrut
Scrut
Favicon of Shelve

Shelve

Simplify project management for developers

  • Stars

    458

  • Last commit

    5 days ago

  • License

    Apache-2.0
Shelve is a comprehensive project management tool designed to streamline workflows and enhance collaboration for developers and teams.

Open Source Alternative to:

Favicon of Keeper
Keeper
Favicon of Marble CMS

Marble CMS

Simple content management for modern sites

  • Stars

    384

  • Last commit

    19 hours ago

  • License

    AGPL-3.0
A headless CMS designed for blogs, changelogs, and articles. Features intuitive editor, team collaboration, media management, and API integration.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Operational

Operational

Real-time event tracking and response for tech products

  • Stars

    472

  • Last commit

    14 days ago

  • License

    AGPL-3.0
Track critical events, receive instant notifications, and respond to product activities with customizable webhooks and action buttons

Open Source Alternative to:

Favicon of Opsgenie
Opsgenie
Favicon of Lua.sh

Lua.sh

Professional link management for modern teams

  • Stars

    343

  • Last commit

    25 days ago

  • License

    AGPL-3.0
Open-source platform for creating shortened URLs with advanced analytics, custom domains, and API integration for marketing and development teams.

Open Source Alternative to:

Favicon of TinyURL
TinyURL
Favicon of Notra

Notra

AI
Track your brand's visibility across AI answer engines

  • Stars

    270

  • Last commit

    18 hours ago

  • License

    AGPL-3.0
GEO tool that queries ChatGPT, Claude, Gemini, and Perplexity with your buyers' questions, then shows you who gets recommended and how to close the gap.

Open Source Alternative to:

Favicon of Otterly.AI
Otterly.AI
Favicon of Ikiform

Ikiform

Create stunning forms with AI-powered builder and analytics

  • Stars

    355

  • Last commit

    5 months ago

  • License

    MIT
Build beautiful, interactive forms with AI assistance. Open-source alternative to Google Forms with unlimited submissions, advanced analytics, and seamless integrations.

Open Source Alternative to:

Favicon of Google Forms
Google Forms
Favicon of 0 Finance

0 Finance

AI
Transform idle cash into competitive yield for startups

  • Stars

    253

  • Last commit

    7 months ago

  • License

    MIT
High-yield treasury management for startups earning 8% APY with insurance coverage up to $1M. Open US/EU accounts instantly with full liquidity and no minimums.
Favicon of Zenblog

Zenblog

Effortless blogging for developers and tech enthusiasts

  • Stars

    254

  • Last commit

    2 months ago

  • License

    AGPL-3.0
A minimalist, markdown-based blogging platform designed for developers, featuring syntax highlighting and seamless Git integration.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Wraft

Wraft

Scale document creation with automated workflows

  • Stars

    167

  • Last commit

    13 days ago

  • License

    AGPL-3.0
Complete document lifecycle management with automated generation, approval workflows, e-signatures, and branded templates. Create professional documents at scale.

Open Source Alternative to:

Favicon of DocuSign
DocuSign
Favicon of OpenPolicy

OpenPolicy

Generate legal policies directly from TypeScript code

  • Stars

    164

  • Last commit

    1 month ago

  • License

    Apache-2.0
Open-source policy-as-code framework that lets developers create privacy policies, terms of service, and legal agreements using TypeScript with built-in GDPR/CCPA compliance.

Open Source Alternative to:

Favicon of iubenda
iubenda
Favicon of Orgnise

Orgnise

Effortlessly manage tasks, projects, and teams

  • Stars

    248

  • Last commit

    1 year ago

  • License

    AGPL-3.0
A versatile project management platform that combines task organization, team collaboration, and workflow automation in one intuitive interface.

Open Source Alternative to:

Favicon of Notion
Notion
Favicon of Formizee

Formizee

Create and manage forms with ease

  • Stars

    185

  • Last commit

    1 year ago

  • License

    Apache-2.0
Formizee is an open-source platform for designing, building, and analyzing forms, offering an affordable all-in-one solution

Open Source Alternative to:

Favicon of Google Forms
Google Forms
Favicon of Comma

Comma

Launch your personal website in minutes, no coding required

  • Stars

    226

  • Last commit

    5 months ago

  • License

    AGPL-3.0
Free site builder to create a personal website with articles, projects, email capture, and analytics. Open source, fast, and beautifully designed.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of UserTourKit

UserTourKit

Lightweight, accessible product tours built for React developers

  • Stars

    69

  • Last commit

    14 days ago

  • License

    MIT
Headless React tour library with WCAG 2.1 AA accessibility, TypeScript support, and pre-styled components. Under 8KB gzipped with full customization control.

Open Source Alternative to:

Favicon of Userflow
Userflow
Favicon of Slugy

Slugy

Transform long URLs into beautiful, trackable short links

  • Stars

    94

  • Last commit

    4 days ago

  • License

    MIT
Open-source URL shortener with analytics, custom domains, QR codes, and link-in-bio pages. Create branded short links with detailed tracking insights.

Open Source Alternative to:

Favicon of TinyURL
TinyURL
Favicon of Manage

Manage

Open-source project management inspired by Basecamp

  • Stars

    71

  • Last commit

    2 months ago

  • License

    AGPL-3.0
A self-hosted project management tool offering task management, file sharing, event tracking, and team collaboration features in an intuitive interface.

Open Source Alternative to:

Favicon of Linear
Linear
Favicon of Malak

Malak

Streamline investor relations and fundraising management

  • Stars

    61

  • Last commit

    7 months ago

  • License

    AGPL-3.0
Open source platform for managing investor updates, KPIs, fundraising pipeline and data rooms. Keep stakeholders informed and organized.

Open Source Alternative to:

Favicon of Carta
Carta
Favicon of Reflet

Reflet

Turn user feedback into features that matter

  • Stars

    39

  • Last commit

    2 days ago

  • License

    SSPL-1.0
Collect feedback, prioritize with AI-powered voting, and share transparent roadmaps. Build products users love with automated triage and seamless integration.

Open Source Alternative to:

Favicon of Featurebase
Featurebase
Favicon of Mimrai

Mimrai

AI-powered task management with radical focus

  • Stars

    25

  • Last commit

    7 months ago

  • License

    AGPL-3.0
Open source minimalist task management tool with AI companion that filters noise, automates coordination, and guides teams through complexity with calm focus.

Open Source Alternative to:

Favicon of Linear
Linear
Favicon of Spanlens

Spanlens

AI
LLM observability: cost, latency, and traces in one place

  • Stars

    13

  • Last commit

    4 days ago

  • License

    MIT
Drop-in observability platform for OpenAI, Anthropic, and Gemini that logs every request, tracks costs, traces agent workflows, and flags anomalies and PII.

Open Source Alternative to:

Favicon of LangSmith
LangSmith
Favicon of Suprascribe

Suprascribe

Automatically discover hidden subscriptions from your inbox

  • Stars

    11

  • Last commit

    2 days ago

  • License

    AGPL-3.0
Free subscription tracker that automatically scans your email to find recurring charges. Privacy-focused discovery with complete spending overview and management tools.

Open Source Alternative to:

Favicon of Rocket Money
Rocket Money
Favicon of Proxed AI

Proxed AI

AI
Secure AI API management for iOS apps with DeviceCheck

  • Stars

    9

  • Last commit

    6 days ago

  • License

    AGPL-3.0
A secure proxy service that protects AI API keys using Apple DeviceCheck, enabling safe integration of ChatGPT, Claude, and other AI models in iOS apps
Favicon of Reqcore

Reqcore

AI
Own your hiring data with unlimited seats forever

  • Stars

    0

  • Last commit

    2 months ago

  • License

    AGPL-3.0
Self-hosted open-source ATS with no per-seat pricing. Full data ownership, modern tech stack, and complete control over your recruitment process.

Open Source Alternative to:

Favicon of Breezy HR
Breezy HR
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