SaaS Guide · Updated September 2026

Best Free SaaS Tools 2026: 40+ Tools That Cost Nothing

10 categories · Real free tier limits · When you need to upgrade

Quick answer: You can run a startup on free SaaS tools for 6-12 months. ClickUp (PM), Notion (docs), Figma (design), HubSpot (CRM), GitHub (code), and Slack (chat) all have generous free tiers. The main limits are storage, automation, and message history. Here are 40+ free tools across 10 categories.

Project Management: Free Tiers

Tool Free Limit Key Features Upgrade Trigger
ClickUp Unlimited users Tasks, docs, 100MB storage Need Gantt, automations, or more storage
Notion Unlimited users Docs, databases, 5MB/file limit Need collaboration, version history
Trello Unlimited users 10 boards/workspace, unlimited cards Need more than 10 boards
Asana 10 users Tasks, list/board/calendar views Team grows past 10 users
Monday.com 2 users 3 boards, 200+ templates Only 2 users (useless for teams)
Linear 10 members Issues, projects, basic cycles Need cycles, roadmaps, analytics
Best free PM tool: ClickUp Free supports unlimited users and offers the most features. Trello Free is simpler but limited to 10 boards. For engineering teams, Linear Free is excellent for up to 10 members.

Design Tools: Free Tiers

Tool Free Limit Key Features Upgrade Trigger
Figma 3 files, unlimited viewers Design, prototyping, collaboration Need more than 3 active files
Canva 250,000+ templates Graphics, presentations, social Need Brand Kit, background remover
Excalidraw Unlimited Whiteboard, diagrams, collaboration Need saved libraries, exports
Penpot Unlimited Open source design tool Need shared projects, storage
Unsplash Unlimited Free stock photos Need premium photos

Developer Tools: Free Tiers

Tool Free Limit Key Features Upgrade Trigger
GitHub Unlimited repos Code, CI/CD (2,000 min/mo), Actions Need advanced security, larger runners
Vercel Hobby (personal) Deploy, preview, 100GB bandwidth Need team features, more bandwidth
Netlify 100GB bandwidth/mo Deploy, forms, 125K function invocations Need more bandwidth, team features
Supabase 2 projects Postgres, auth, storage, 500MB DB Need more projects, larger DB
PlanetScale 1 database MySQL, branching, 5GB storage Need more databases, larger storage
Railway $5 credit/mo Deploy, databases, 500GB bandwidth Exceed $5 monthly credit

CRM and Sales: Free Tiers

Tool Free Limit Key Features Upgrade Trigger
HubSpot CRM Unlimited contacts Deals, tasks, email tracking, live chat Need sequences, advanced reporting
Notion CRM Unlimited (template) Custom CRM with databases Need automation, integrations
Airtable 1,000 records/base Spreadsheet-database hybrid Need more records, automations
Streak 500 contacts Gmail CRM, pipelines Need more contacts, integrations
Best free CRM: HubSpot CRM offers unlimited contacts, deals, and tasks on its free tier. It includes email tracking, meeting scheduling, and live chat. For basic CRM needs, HubSpot Free is the best alternative to Salesforce.

Communication: Free Tiers

Tool Free Limit Key Features Upgrade Trigger
Slack Unlimited users 90-day message history, 10 integrations Need full history, more integrations
Discord Unlimited Voice, text, screen share, 25MB files Need larger file uploads, HD video
Zoom 100 participants 40-min meetings, screen share Need longer meetings, cloud recording
Google Meet 100 participants 60-min meetings, screen share Need recording, breakout rooms
Loom 25 videos Screen recording, 5-min limit Need longer recordings, more videos

Marketing and Email: Free Tiers

Tool Free Limit Key Features Upgrade Trigger
Mailchimp 500 contacts Email, landing pages, basic automations Need more contacts, A/B testing
Beehiiv 2,500 subscribers Newsletter, referral program Need custom domains, more subscribers
Substack Unlimited Newsletter, paid subscriptions Need custom domains (10% fee on paid)
ConvertKit 1,000 subscribers Email, landing pages, forms Need automations, sequences
Carrd 3 sites One-page websites, forms Need custom domains, more sites

Analytics: Free Tiers

Tool Free Limit Key Features Upgrade Trigger
Google Analytics Unlimited Traffic, conversions, audiences Need advanced analysis (GA360)
Plausible Self-hosted only Privacy-focused, lightweight Need cloud hosting ($9/mo)
PostHog 1M events/mo Product analytics, session replay Need more events, advanced features
Mixpanel 20M events/mo Product analytics, funnels Need data warehouse, advanced reports

Finance and Accounting: Free Tiers

Tool Free Limit Key Features Upgrade Trigger
Wave Unlimited Invoicing, accounting, receipts Need payroll, payment processing
Stripe No monthly fee Payments (2.9% + 30¢ per transaction) Need custom pricing (high volume)
Mercury Unlimited Banking, cards, bill pay Need treasury, advanced features
Brex Unlimited Corporate cards, expense management Need advanced controls, integrations

AI Tools: Free Tiers

Tool Free Limit Key Features Upgrade Trigger
ChatGPT GPT-4o mini Chat, code, analysis (limited) Need GPT-4o, more usage, DALL-E
Claude Claude 3.5 Sonnet Chat, code, analysis (limited) Need more usage, Claude 3.5 Opus
Gemini Gemini 1.5 Flash Chat, code, Google integration Need Gemini Pro, more usage
GitHub Copilot 2,000 completions/mo Code completion, chat Need unlimited completions
Perplexity Limited searches AI search with citations Need more searches, Pro search
Free tier traps: Free tiers are designed to get you hooked. Common limitations include storage caps (ClickUp 100MB, Notion 5MB/file), user limits (Asana 10 users, Monday 2 users), feature gates (no Gantt, no automations, no AI), and message history (Slack 90 days). You will likely need to upgrade within 6-12 months as your team grows.

Free SaaS Stack for a Pre-Seed Startup

You can run a startup on $0-50/month using free SaaS tools. Here is a complete stack:

Category Tool Cost
Project Management ClickUp Free $0
Docs and Wiki Notion Free $0
Design Figma Free $0
CRM HubSpot Free $0
Code GitHub Free $0
Deploy Vercel Hobby $0
Chat Slack Free $0
Meetings Google Meet Free $0
Email Gmail Free $0
Analytics Google Analytics $0
Payments Stripe (2.9% + 30¢) Per transaction
Total $0/month
Total cost: $0/month. This stack covers PM, docs, design, CRM, code, deploy, chat, meetings, email, analytics, and payments. You only pay Stripe transaction fees when you make money. Upgrade individual tools as you grow past free tier limits.

When Free Tiers Expire: Upgrade Costs

Free tiers work until they do not. Here is what you will pay when you outgrow them:

Tool Free Limit Paid Price Jump
ClickUp 100MB storage $7/user/mo Unlimited storage, Gantt, automations
Notion 5MB/file, limited collab $10/user/mo Unlimited file uploads, full collaboration
Figma 3 files $15/user/mo Unlimited files, team libraries
HubSpot Basic CRM $20/seat/mo Sequences, advanced reporting, AI
Slack 90-day history $8.75/user/mo Full history, unlimited integrations
GitHub Basic CI/CD $4/user/mo Advanced security, larger runners
Budget for growth: A 10-person team upgrading from free tiers to paid plans costs approximately $300-500/month. Plan for this expense as you grow. Lock in annual pricing to save 15-20% on each tool.

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