Browse the best open-source alternatives by proprietary software.

Mailgun

mailgun

Mailgun provides developers with powerful email APIs and infrastructure to send, receive, and track transactional and marketing emails at scale.

Matter

matter

Save, organize, and highlight articles from across the web with AI-powered insights to build your personal knowledge base and never lose track of important content again.

Pagecloud

pagecloud

Create and launch websites, popups, and banners that engage your audience, convert more users, and stand out from the crowd.

Pagerduty

pagerduty

Transform critical operations with PagerDuty's AI first Operations Platform. Harness agentic AI and automation to accelerate work and build resilience.

Pinboard

pinboard

A minimalist social bookmarking service that lets users save, tag, and share web links. Features private/public bookmarks, full-text search, and RSS feeds without ads or clutter.

PlanetScale

planetscale

The database for developers: a serverless MySQL platform that scales effortlessly and is easy to use.

Pocket

pocket

A digital bookmarking tool that allows you to save articles, videos, and other content to read later, even when you're offline. Shut down in 2025.

Raindrop

raindrop

A bookmarking and organization tool that helps users save and categorize links.

Readwise Reader

readwise-reader

The first read-it-later app for power readers. Save everything to one place, highlight like a pro, and replace several apps with Reader.

Scrivener

scrivener

The go-to app for writers of all kinds, used every day by best-selling novelists, screenwriters, non-fiction writers, students, academics, lawyers, journalists, translators and more.

Stackby

stackby

Stackby combines spreadsheet functionality with database power to help teams organize, collaborate, and automate workflows across projects and data.

T3.chat

t3-chat

Access premium AI models including GPT-4 and Claude for just $8/month. Free tier available. The smartest AI assistant for work and creativity.

Teamwork

teamwork

Combining project management and streamlined operations - we’re the only platform built for managing client projects, profitably.

Userlist

userlist

Send targeted behavioral emails and in-app messages to increase user engagement, retention, and revenue through automated lifecycle campaigns.

Ycode

ycode

An all-in-one website builder and CMS to design, host, and update your custom design website.

Adobe Commerce

adobe-commerce

Build and scale flexible B2B and B2C ecommerce experiences with advanced personalization, multi-store management, and enterprise-grade performance.

Alice

alice

AI-powered desktop assistant that helps you manage tasks, schedule meetings, and automate workflows directly from your computer.

Axiom

axiom

Axiom automates web browser tasks and data extraction through an intuitive no-code platform, enabling users to scrape websites, monitor changes, and perform repetitive actions without programming knowledge.

Billsby

billsby

Automate subscription billing and revenue management with flexible pricing models, dunning management, and comprehensive analytics for growing businesses.

Canny

canny

A feedback management software that helps businesses collect and prioritize customer feedback to improve their products and services.

Chargebee

chargebee

Subscription billing and revenue management platform that automates recurring payments, invoicing, and financial operations for SaaS businesses worldwide.

CommerceTools

commercetools

API-first commerce platform that enables businesses to build flexible, scalable ecommerce experiences with headless architecture and microservices.

Copper

copper

Win clients for life with Copper CRM software solutions. Give it a try and see how they can help your business build stronger customer relationships.

Databox

databox

Visualize and track your business data in real-time with customizable dashboards for informed decision-making.

Eden AI

eden-ai

Unified AI API platform connecting 100+ AI providers for computer vision, NLP, speech, and generative AI through a single integration point.

Formester

formester

Create professional online forms with advanced features like conditional logic, payment integration, and real-time analytics to collect data efficiently.

FreshDesk

freshdesk

A cloud-based customer support software and helpdesk solution that provides businesses with the tools to manage customer queries and tickets.

Google Forms

googleforms

A web-based survey and form creation tool that allows users to create custom surveys and forms to collect data.

Google Sheets

google-sheets

A free, web-based spreadsheet program that allows users to create, edit, and share spreadsheets.

Google Tasks

google-tasks

Create, organize, and track your to-do lists across all devices with Google's simple task management tool that syncs seamlessly with Gmail and Calendar.

Jotform

jotform

Create forms and surveys for free with drag-and-drop form builder. Start collecting registrations, applications, orders, and payments today.

LastPass

lastpass

A password manager for everyone, everywhere. Rest easy knowing credentials are always protected, private, and within reach.

Loops

loops

Send your product, marketing, and transactional email with Loops. One simple interface, for all your email.

MailerLite

mailerlite

A cloud-based email marketing solution offering tools for customizable email building, automation, landing pages, surveys, and e-commerce campaigns.

Medium

medium

A publishing platform where people can read, write, and share ideas and stories from any device.

Monica

monica

Monica leverages cutting-edge AI models to enhance your chat, search, writing, and coding experiences.