Open Source Alternatives To Popular Software

Cutt.ly is a URL shortener and link management platform that offers branded domains, QR codes, detailed analytics, and link tracking features.

DEVONthink is a document and information manager for macOS from DEVONtechnologies, used to store, OCR, classify and search large personal and research collections. It is sold in personal, professional and server editions under a one-time licence.

DICE (dice.fm) is a London-based mobile-first ticketing platform for live shows such as gigs, club nights, and comedy. It sells tickets through iOS and Android apps with upfront pricing, personalised event recommendations, waiting lists for sold-out shows, and anti-touting protections, working directly with venues, promoters, and artists.

A professional video editing, color correction, visual effects, and audio post-production application by Blackmagic Design.

Visual disk space analyzer for macOS that helps you find and delete large files to free up storage.

A proprietary password manager and digital wallet service.

A professional database IDE by JetBrains that provides advanced tools for SQL development, database navigation, and data editing across multiple database engines.

Browser extension for web scraping that extracts data from HTML tables and pages directly in the browser. Supports export to Excel, CSV, and Google Sheets.

Databox is a paid business analytics platform that pulls metrics from marketing, sales, and product tools into dashboards, scorecards, goals, and scheduled reports. It is aimed at marketing agencies and SaaS teams that want no-code metrics tracking across many data sources.

Datadog is a monitoring and analytics platform for cloud-scale infrastructure, applications, and logs. It provides APM, infrastructure monitoring, log management, and security monitoring in a unified platform.

Day One is a popular digital journaling app for iOS and macOS that allows you to capture your life story through text, photos, and location data.

Deckset is a macOS and iOS presentation app that turns plain Markdown into beautifully designed slides. Write in your favorite text editor and Deckset automatically applies themes, layouts, and typography to produce polished decks. It is aimed at writers, engineers, and speakers who prefer writing in Markdown over fiddling with slide editors. Features include 11 built-in themes, math and code rendering via MathJax and highlight.js, speaker notes, image and video embeds, PDF and PowerPoint export, and an iOS companion app for reviewing and presenting on the go. Deckset is a paid, commercial product (proprietary), available as a one-time purchase for macOS and as a free companion download on iOS.

Open source alternatives to Deepseek.

Deputy is a workforce management platform for shift-based businesses covering employee rostering, time and attendance, leave management, and labor compliance, sold as a per-user SaaS subscription with integrations to major payroll systems.

All-in-one audio and video editing platform that uses AI transcription to let you edit media by editing text, with screen recording, publishing, and collaboration features.

Descript Overdub is the voice cloning feature of Descript that lets users create a digital copy of their own voice and correct or generate narration by editing text. It is offered as part of Descripts subscription plans aimed at podcasters and video creators.

Devin is an autonomous AI software engineer built by Cognition. It works inside its own cloud sandbox with a shell, code editor and browser, and is given engineering tasks that it plans and executes end to end, including writing code, running tests and opening pull requests. It is sold as a subscription with usage-based agent compute.

A personal CRM and rolodex that helps you stay in touch with your network through reminders, notes, and social integration.

Dext (formerly Receipt Bank) is a bookkeeping automation platform that extracts data from receipts, invoices, and bank statements using OCR, then publishes the categorized transactions directly into QuickBooks, Xero, Sage, and other accounting systems.

Diablo II is an action role-playing hack-and-slash game developed by Blizzard North and published by Blizzard Entertainment. Players battle demons across Sanctuary as one of five character classes in a dark, gothic fantasy world.

Diarium is a cross-platform journaling app for Windows, iOS, and Android with support for rich media, templates, mood tracking, and end-to-end encryption.

AI-powered knowledge graph and web extraction platform that automatically structures web content into entities, facts, and relationships using machine learning.

Open source alternatives to DigitalOcean.

Discord is a free communication platform that lets people connect through text, voice, and video across customizable communities called “servers.” Originally popular among gamers, it has expanded into a hub for all kinds of groups—ranging from study clubs and fandoms to professional teams—thanks to features like topic-based channels, screen sharing, live streaming, and integrations with other apps. Its mix of casual chat and organized spaces makes it a versatile tool for both socializing and collaboration.

Discourse is an open-source discussion platform used for community forums, mailing lists, and chat-adjacent collaboration. It is developed by Discourse org and powers thousands of communities including many open-source projects. While the core is free, the official managed hosting and support service is a paid offering.

A popular hosted commenting platform used by millions of websites and blogs to enable community discussions and engagement. Disqus handles user authentication, moderation, spam filtering, and analytics.

Distill.io is a cloud-based website change monitoring service that tracks content changes on web pages and sends alerts via email, SMS, or push notifications.

Docker Sandboxes is an experimental Docker Desktop feature that runs AI coding agents in isolated microVMs on the developer machine. It mounts a workspace, proxies network traffic, and handles credentials so agents such as Claude Code, Codex, and OpenCode can run without unrestricted host access. It is part of Docker's commercial Desktop product.

Open source alternatives to DocuSign.

Doppler is a hosted secrets management platform for developers and engineering teams. It centralizes environment variables and API keys across environments and projects, syncs them to cloud platforms and CI/CD pipelines, and adds access controls and audit trails. It is free for small teams with paid plans for larger organizations.

Professional 2D and 3D CAD product from Dassault Systèmes for creating, editing, viewing and marking up DWG files, positioned as a cost-effective alternative to AutoCAD.

DroidCam turns your Android phone or iPhone into a wireless webcam for your PC. It supports both WiFi and USB connections, works with video conferencing apps like Zoom, Teams, and OBS, and offers HD video with adjustable settings.

Dropbox is a file hosting service that offers cloud storage, file synchronization, personal cloud, and client software.

DuckDuckGo is a proprietary privacy-focused search engine that does not track users or store personal information. It aggregates results from multiple sources including Bing and its own web crawler, while offering additional privacy tools like tracker blocking and email protection.

E2B is a hosted sandbox platform for AI agents from FoundryLabs. Each session gets an isolated Firecracker microVM with a filesystem, network egress controls, secret injection, snapshots, and Python or TypeScript SDKs. It is sold as a managed cloud with Hobby, Pro, and Enterprise plans, plus bring-your-own-cloud and self-hosted deployments built on its Apache-2.0 runtime.

Eagle is a commercial desktop application for organising images, design references and other visual assets. It combines folders, tags, ratings, colour search and smart folders in a local library, and is sold as a one-time licence by Eagle (eagle.cool).

Elastic Cloud is the managed SaaS offering of the Elastic Stack (Elasticsearch, Kibana, Logstash). It provides log analytics, full-text search, and observability features built on the Elasticsearch engine, with subscription pricing based on deployed resources and data retention.

ElevenLabs is an AI audio platform from ElevenLabs Inc. known for highly realistic text-to-speech, voice cloning, dubbing, and speech-to-text. Creators, developers, and enterprises use it for audiobooks, voiceovers, and conversational voice agents through its cloud API and Studio workspace, with subscription plans based on character usage.

Elgato Stream Deck is a line of customizable hardware control panels featuring LCD keys that launch apps, trigger hotkeys, run multi-step actions, and automate repetitive tasks. Popular with streamers, content creators, and power users who want tactile shortcuts at their fingertips.

EmailOnDeck is a disposable email service that provides free temporary email addresses for signing up to websites, avoiding spam, and receiving verification emails anonymously. It offers a web inbox and a premium tier for longer message retention.

Emby is a proprietary personal media server that organizes and streams your home videos, music, and photos to virtually any device. It offers live TV and DVR management, parental controls, DLNA support, and client apps for a wide range of platforms including smart TVs, mobile devices, and desktops.

Empower (formerly Personal Capital) is a digital wealth management platform that offers free financial tools including portfolio tracking, net worth analysis, retirement planning, and investment advisory services. It aggregates accounts from multiple financial institutions to provide a unified view of your finances.

Open source alternatives to Epic Games.

Escape Velocity is a 2D space trading and combat game series developed by Matt Burch and published by Ambrosia Software for macOS. Players fly starships, trade goods, and fight across a procedurally generated galaxy.

Eventbrite is a global ticketing and event management platform that lets organizers create, promote, and sell tickets to events of any size. It charges per-ticket service fees to attendees and offers paid plans for organizers.

Open source alternatives to Evernote.

Expensify is a corporate expense management platform that automates receipt scanning, expense reporting, and reimbursement via SmartScan OCR, corporate card reconciliation, and integrations with QuickBooks, Xero, NetSuite, and major accounting software.

Open source alternatives to ExpressVPN.

FICO Blaze Advisor is a business rules management system (BRMS) for automating and governing high-volume, high-stakes operational decisions. It is used across industries for credit risk assessment, fraud detection, insurance underwriting, and compliance.

Facebook Messenger is an American proprietary instant messaging app and platform developed by Meta. It allows users to send messages, exchange photos, videos, stickers, audio, and files, and react to other users messages.

Factorio is a real-time factory automation and management game developed by Wube Software. Players crash-land on an alien planet and must build, optimize, and scale increasingly complex production chains — mining ore, smelting metals, assembling components, and researching new technologies — in order to eventually launch a rocket and escape. Released in full in August 2020 after seven years of early access, Factorio is widely considered the definitive entry in the factory-automation genre. The base game is a paid commercial product, and the *Space Age* expansion (2024) is sold as paid DLC. The closed-source engine is written in C++ with a custom deterministic simulation that enables multiplayer desync-free play and an active modding scene via the in-game mod portal.