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.
- 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
- 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)
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
The hubs
Starting Up
Find an idea, validate it, build, and land your first customers.
GTM
Go-to-market, from breaking in to how the best teams do it.
D2C
Building a direct-to-consumer brand, India-first.
Wealth
Paying yourself, ESOPs, secondaries, and de-risking founder wealth.
How Founders Use AI
How founders actually put AI to work, mapped topic by topic.
Glossary
Plain-language definitions of the startup and VC terms you'll hit.
eChai Partner Brands
The partnership →