[opensourcedex]

by replacement

Alternatives to popular software

Pick the commercial tool you are paying for; see how many open source projects replace it, most-replaced first.

Notion 8 alts

All-in-one workspace for notes, docs, wikis, and databases

pricing$10-$18/user/month
Jira 6 alts

Issue tracker and project management for software teams

pricing$8.15-$16/user/month
Retool 5 alts

Low-code internal tool builder

pricing$10-$50/user/month
Claude Code 4 alts

Anthropic's terminal coding agent

pricingIncluded with Claude Pro/Max ($20-$200/month); API usage billed separately
Datadog 4 alts

Cloud monitoring and observability platform

pricing$15-$34/host/month
Fastcrawlsponsored 4 alts

Scraping and crawling API for AI agents, over REST and MCP

pricingFree tier 1500 credits/month; paid from $5/month
Firecrawl 4 alts

Scrape, crawl and search the web for AI applications

pricingFree tier 1,000 credits/month; paid plans from $19/month (billed annually)
Intercom 4 alts

Customer messaging and support platform

pricing$39-$139/seat/month
LM Studio 4 alts

Desktop app for running local LLMs

pricingFree for personal use; commercial use requires a licence from the vendor
Linear 4 alts

Modern issue tracker for software teams

pricing$8-$14/user/month
Shopify 4 alts

E-commerce platform

pricing$29-$299/month
Slack 4 alts

Channel-based team messaging platform

pricing$8.75-$12.50/user/month
Supabase (hosted) 4 alts

Firebase alternative with Postgres, auth, and storage

pricing$25-$599/month
Zapier 4 alts

No-code workflow automation between apps

pricing$29.99-$103.50/month
Adobe Photoshop 3 alts

Raster graphics editor

pricing$22.99/month
Adobe Premiere Pro 3 alts

Video editing software

pricing$22.99/month
Airtable 3 alts

Spreadsheet-database hybrid for no-code workflows

pricing$20-$45/user/month
Apify 3 alts

Web scraping and automation platform with a hosted actor marketplace

pricingFree plan available; usage metered per compute unit (about $0.2/unit on entry tiers, less on higher commitments)
Asana 3 alts

Project management and task tracking

pricing$10.99-$24.99/user/month
Auth0 3 alts

Identity and access management platform

pricing$35-$240/month
Bright Data 3 alts

Proxy network and web data platform

pricingFree trial; paid metered from roughly $0.2 to $1.3 per 1,000 requests depending on product
Browserbase 3 alts

Headless browser infrastructure for AI agents

pricingFree plan; paid plans at $20/month and $99/month, plus custom
Claude 3 alts

Anthropic's assistant, including its API

pricingFree tier; Pro $20/month; Team $25-$30/user/month; API metered per token
ClickUp 3 alts

All-in-one project management platform

pricing$7-$12/user/month
Cursor 3 alts

AI-first code editor built on VS Code

pricingFree tier; Pro $20/month; Business $40/user/month
Google Analytics 3 alts

Web analytics service

pricingFree / $50K+/yr for GA360
Google Drive 3 alts

Cloud storage and file sync

pricingFree 15GB / $1.99-$18/month
Mailchimp 3 alts

Email marketing platform

pricingFree / $13-$350/month
Microsoft Excel 3 alts

Spreadsheet application

pricing$6-$22/user/month via M365
Mixpanel 3 alts

Product analytics

pricingFree / $28+/month
Mixpanel 3 alts

Product analytics for user behavior and retention

pricingFree tier, then growth-based pricing (commonly cited as expensive at scale)
Monday.com 3 alts

Work management platform

pricing$9-$19/user/month
Obsidian 3 alts

Local-first markdown notes with a plugin ecosystem

pricingFree for personal use; Sync $4-$8/user/month; Publish $8-$16/site/month
OpenAI API 3 alts

GPT-4 and LLM inference API

pricing$3-60+/1M tokens
OpenAI Codex 3 alts

OpenAI's cloud coding agent

pricingIncluded with ChatGPT Plus/Pro ($20-$200/month); API billed separately
Oxylabs 3 alts

Proxy network and web scraping APIs

pricingDatacenter proxies from around $6/GB; scraping APIs from $49/month
Postman 3 alts

API development and testing platform

pricing$14-$49/user/month
QuickBooks 3 alts

Accounting software

pricing$19-$117/month
ScraperAPI 3 alts

Scraping API handling proxies, browsers and retries

pricingPaid plans from $49/month, scaling into the hundreds per month
ScrapingBee 3 alts

Web scraping API with proxy rotation and JavaScript rendering

pricingPaid plans from $19/month, up to $599/month for the largest tier
Typeform 3 alts

Conversational forms and surveys

pricing$25-$83/month
Zyte 3 alts

Web scraping API and data extraction platform

pricingFree $5 trial credit; metered from about $0.06 per 1,000 successful responses
iTerm2 3 alts

Terminal emulator for macOS

pricingFree, closed source
1Password 2 alts

Password manager for teams and families

pricing$3-$8/user/month
Amplitude 2 alts

Product analytics platform

pricingFree / custom pricing
Atlassian Confluence 2 alts

Team wiki and documentation

pricingFree / $5.75-$11/user/month
Basecamp 2 alts

Project management and team communication

pricing$15/user/month or $299/month
Buffer 2 alts

Social media scheduling

pricingFree / $6-120/month
Calendly 2 alts

Scheduling and meeting booking

pricingFree / $10-15/seat/month
Canva 2 alts

Graphic design and template tool

pricingFree / $15-30/user/month
DaVinci Resolve (Studio) 2 alts

Video editing and color grading

pricingFree / $295 one-time
Dropbox 2 alts

File hosting and sync

pricing$9.99-$24/user/month
Figma 2 alts

Collaborative design and prototyping tool

pricing$15-$75/editor/month
FreshBooks 2 alts

Invoicing and accounting for freelancers

pricing$8.50-$27.50/month
FullStory 2 alts

Digital experience analytics

pricingCustom pricing
Google Meet 2 alts

Video conferencing

pricingFree / Workspace $6-18/user/month
Google Workspace 2 alts

Email, docs, and collaboration suite

pricing$6-$18/user/month
Hootsuite 2 alts

Social media management

pricing$99-$249/month
HubSpot CRM 2 alts

CRM with marketing, sales, and service hubs

pricing$20-$1,200/month
Microsoft 365 2 alts

Office suite and cloud services

pricing$6-$22/user/month
Miro 2 alts

Online collaborative whiteboard

pricingFree / $8-16/user/month
SendGrid 2 alts

Email delivery API

pricing$19.95-$89.95/month
Sentry (hosted) 2 alts

Application error tracking and performance monitoring

pricing$26-$80/month
SurveyMonkey 2 alts

Online survey and questionnaire tool

pricingFree / $25-99/month
Trello 2 alts

Kanban-based project management boards

pricing$5-$17.50/user/month
Twilio 2 alts

SMS and communication APIs

pricingPay-as-you-go
Vercel 2 alts

Frontend cloud platform for Next.js deployment

pricing$20-$150/user/month
Xero 2 alts

Cloud accounting software

pricing$15-$78/month
Exa 1 alt

Web search API built on embeddings for AI applications

pricingFree tier: $20 in credits on sign-up plus $10/month, over $120/year
Google Docs 1 alt

Collaborative documents and word processing

pricingFree / Workspace $6-18/user/month
Grammarly 1 alt

AI writing assistant and grammar checker

pricing$12-$15/member/month
LastPass 1 alt

Password manager

pricingFree / $3-4/user/month
SerpApi 1 alt

Search engine results API across Google and other engines

pricingFree tier 100 searches/month; paid plans from $75/month
Tavily 1 alt

Search API built for LLM applications and agents

pricingFree tier 1,000 API credits/month; paid plans for higher monthly limits
Zoom 1 alt

Video conferencing platform

pricingFree / $15.99-$21.59/user/month