Explore · The library

Every resource founders actually use, in one library.

The essays, videos, podcasts, books and tools behind every answer across eChai's hubs, from starting up to go-to-market, D2C, founder money and AI, each with a note on why it is here.

What founders use most, ranked by how many answers lean on it.

  1. Microsoft's own App Store listing for To Do, which shows it as free. It is the to-do list for anyone whose work runs on... apps.apple.com Tool · App listing · Starting Up Microsoft To Do on the App Store (India) Microsoft
  2. Google's own help page for Tasks, the simple to-do list that comes with a Google account. It shows where Tasks lives (Calendar,... support.google.com Article · Help article · Starting Up Get started with Google Tasks Google
  3. The App Store listing for Things 3, the most polished to-do app for people who use only Apple devices. In India it is ₹999 on... apps.apple.com Tool · App listing · Starting Up Things 3 on the App Store (India) Cultured Code
  4. A hands-on review (December 2025) by a writer who tested the top-rated to-do apps across platforms. It names Todoist for... zapier.com Article · 14 min read · Starting Up The 7 best to do list apps in 2026 Harry Guinness
  5. Trello's own plan page. It is the Kanban board a whole team understands on day one: Free covers up to 10 collaborators per... trello.com Tool · Pricing page · Starting Up Trello pricing Atlassian
  6. Asana's own plan page. It is for teams running several projects with owners and deadlines: Personal is free forever for one or... asana.com Tool · Pricing page · Starting Up Asana pricing Asana
  7. Zoho Projects' own plan page. It is the project tool for teams already on Zoho's apps, with a free plan for up to 5 users and... zoho.com Tool · Pricing page · Starting Up Zoho Projects pricing Zoho
  8. A hands-on review (30 October 2026) of the free plans of Trello, Asana, Wrike, Airtable and Jira, with each free plan's limits... zapier.com Article · 11 min read · Starting Up The best free project management software in 2026 Kiera Abbamonte
  9. A hands-on review (November 2025) of Google Calendar, Outlook, Apple Calendar, Fantastical and AI calendars, with each one's... zapier.com Article · 15 min read · Starting Up The 6 best calendar apps in 2026 Harry Guinness
  10. Notion's page for its free calendar app, which connects to your Google Calendar and shows Notion dates beside your meetings,... notion.com Tool · Product page · Starting Up Notion Calendar Notion
  11. Motion's own plan page. It plans your calendar for you by fitting tasks into the gaps between meetings, from $19 a seat a month... usemotion.com Tool · Pricing page · Starting Up Motion pricing Motion
  12. Harvest's own plan page. It is built for billing clients from tracked time: Free is one seat and two projects with time... getharvest.com Tool · Pricing page · Starting Up Harvest pricing Harvest
  13. Zoho's India page for the timer inside Zoho Invoice, its free GST invoicing software. Log hours against projects and tasks from... zoho.com Tool · Product page · Starting Up Time tracking in Zoho Invoice Zoho
  14. A hands-on review (February 2026) by a freelancer who tracks her own hours, comparing the leading time trackers on how easy the... zapier.com Article · 12 min read · Starting Up The 5 best time tracking apps in 2026 Kiera Abbamonte
  15. Weekdone's own price page. It is OKR software for small teams, free for up to 3 users with the account fully functional, and a... weekdone.com Tool · Pricing page · Starting Up Weekdone prices Weekdone
  16. Perdoo's own price page. It tracks OKRs and KPIs together with projects: Free covers up to 5 users, Premium is €6.40 a user a... perdoo.com Tool · Pricing page · Starting Up Perdoo pricing Perdoo
  17. Tability's own price page. It is OKR tracking that connects to Slack, Teams, Jira and Linear: Basic is $6 a user a month billed... tability.io Tool · Pricing page · Starting Up Tability pricing Tability
  18. Mooncamp's own price page. It is an OKR platform with a customisable goal system: Essential is €7 a user a month billed... mooncamp.com Tool · Pricing page · Starting Up Mooncamp pricing Mooncamp
  19. Zoho's India page for Zoho Invoice, free GST invoicing software for small businesses. It makes quotes and GST invoices,... zoho.com Tool · Product page · Starting Up Zoho Invoice: free GST invoicing software Zoho
  20. Skydo's own page. It collects payments from foreign clients for Indian freelancers and businesses with zero FX margin and a... skydo.com Tool · Product page · Starting Up Skydo: receive international payments Skydo
  21. N8n's own explanation of its fair-code licence: free to use, modify and self-host for your own internal business purposes, but... docs.n8n.io Article · Short doc · Starting Up n8n Sustainable Use License n8n
  22. Make's own pricing page: a Free plan with 1,000 credits a month and paid Core, Pro and Teams plans priced by credits, plus a... make.com Tool · Pricing page · Starting Up Make pricing Make
  23. Activepieces' own plans: Free with 1,000 credits a month and unlimited flows for up to 5 users, Plus at $20 flat a month, Team... activepieces.com Tool · Pricing page · Starting Up Activepieces pricing Activepieces
  24. The source for Activepieces, which calls itself an open source replacement for Zapier: the Community Edition is under the MIT... github.com Tool · Repository · Starting Up Activepieces on GitHub Activepieces

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