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. The government's own portal where GST returns are filed and paid, free. Most businesses prepare the data in their billing or... gst.gov.in Tool · Portal · Starting Up GST Portal Goods and Services Tax Network
  2. Clear's page for CA-assisted income tax filing. For a freelancer, proprietor or professional who wants a CA to prepare and file... cleartax.in Tool · Pricing page · Starting Up ClearTax expert-assisted ITR filing plans Clear (Defmacro Software)
  3. Intuit's page for US business returns, for a US sole proprietor, S-corp or partnership only; it does not file Indian returns.... turbotax.intuit.com Tool · Pricing page · Starting Up TurboTax small business tax filing Intuit
  4. The IRS's own free filing program for US individuals, which covers a sole proprietor's Schedule C. Guided software is free with... irs.gov Tool · Program page · Starting Up IRS Free File: do your federal taxes for free Internal Revenue Service
  5. HMRC's own page saying every VAT-registered business must keep VAT records and file VAT Returns with compatible software,... gov.uk Article · Guidance · Starting Up Find software that's compatible with Making Tax Digital for VAT HM Revenue & Customs
  6. HMRC's searchable list of every recognised MTD for VAT product, record-keeping and bridging, filterable by what you need. Every... tax.service.gov.uk Tool · Search tool · Starting Up Find software for Making Tax Digital for VAT (HMRC search service) HM Revenue & Customs
  7. HMRC's own timetable for MTD for Income Tax, which reaches sole traders and landlords in stages by qualifying income: over... gov.uk Article · Guidance · Starting Up Find out if and when you need to use Making Tax Digital for Income Tax HM Revenue & Customs
  8. HMRC's checklist for picking MTD for Income Tax software: what it must do, what to look for, and the note that free products... gov.uk Article · Guidance · Starting Up Choose the right software for Making Tax Digital for Income Tax HM Revenue & Customs
  9. Xero's UK prices, for a UK small business that wants HMRC-recognised accounting that files VAT and is MTD for Income Tax ready.... xero.com Tool · Pricing page · Starting Up Xero UK pricing plans Xero
  10. FreeAgent's UK prices, for freelancers, sole traders and small limited companies: £19 a month for a sole trader, £27 for a... freeagent.com Tool · Pricing page · Starting Up FreeAgent pricing FreeAgent
  11. Intuit's UK plans. Simple Start, Essentials, Plus and Advanced all manage and submit VAT to HMRC and are MTD for Income Tax... quickbooks.intuit.com Tool · Pricing page · Starting Up QuickBooks UK pricing Intuit
  12. Airtable's own plans. It looks like a spreadsheet but links records like a database, for a small team tracking orders, clients... airtable.com Tool · Pricing page · Starting Up Airtable pricing Airtable
  13. Google's no-code tool that turns a Google Sheet into a phone or web app, for field teams and shops already living in Sheets.... appsheet.com Tool · Pricing page · Starting Up AppSheet pricing Google
  14. Supabase is a hosted Postgres database with auth and storage, for when a developer is building an app or internal tool on your... supabase.com Tool · Pricing page · Starting Up Supabase pricing Supabase
  15. Google's own limits for Docs, Sheets and Slides: a Google Sheet holds up to 20 million cells or 100 MB. Useful for knowing that... support.google.com Article · Help page · Starting Up Files you can store in Google Drive (Google Sheets limits) Google
  16. An August 2026 guide on the signs a team has outgrown spreadsheets and how to migrate without a big project. Written by a... basedash.com Article · ~10 min read · Starting Up Spreadsheets vs databases: when to make the switch Max Musing, Basedash
  17. Marg's overview, which states who it is built for: retailers, distributors, pharma and FMCG businesses across India, with batch... margcompusoft.com Tool · Product page · Starting Up Marg ERP: billing, inventory and GST software for distributors Marg ERP
  18. Tally's own help page on running job work orders, either as the principal manufacturer sending material out or as the job... help.tallysolutions.com Article · 4 min read · Starting Up Job Work in TallyPrime Tally Solutions
  19. Frappe's hosting prices for ERPNext, the free and open source ERP. A single site on shared servers starts at Rs 410 a month, a... frappe.io Tool · Pricing page · Starting Up ERPNext pricing on Frappe Cloud Frappe
  20. The official ERPNext manual for its manufacturing module: bills of materials, workstations and routing, work orders, production... docs.frappe.io Article · Docs · Starting Up ERPNext manufacturing documentation Frappe
  21. Odoo's rupee prices. One app is free for unlimited users; Standard, with every app including Manufacturing (MRP), Inventory and... odoo.com Tool · Pricing page · Starting Up Odoo pricing (India) Odoo
  22. Katana's own plans for product makers. The Free plan costs $0 with no card, covers up to 30 SKUs with unlimited users and... katanamrp.com Tool · Pricing page · Starting Up Katana pricing Katana
  23. Fleetx is a Gurugram-based fleet software company, and this is its ERP for transporters: trip-level profit and loss across... fleetx.ai Tool · Product page · Starting Up Fleetx Transport ERP Fleetx
  24. Fleetx's TMS for the shipper side: load planning, freight audit and invoice checks against contracted rates and proof of... fleetx.ai Tool · Product page · Starting Up Fleetx Transport Management System Fleetx

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