Proposals and invoicing

Proposals and invoices bracket the paid part of client work. A proposal sets out the scope, price and terms and gets the client to say yes. An invoice turns finished work into money in the bank. The tools in this category cover both ends: building proposals and quotes from templates, collecting e-signatures, sending invoices, taking online payment and chasing late ones automatically.

Proposal tools focus on winning the work. They let you reuse templates for similar jobs, add pricing tables where clients choose options, collect a signature and sometimes a deposit in the same step, and show you when a client opened the proposal and which sections they read. That last point matters more than it sounds: a proposal opened five times and never signed is a call you should make today.

Invoicing tools focus on getting paid and keeping the books straight. They create invoices from estimates or tracked time, send reminders, accept card and bank payments, and record everything for your accountant. Full accounting platforms add expenses, bank feeds, tax and reports. Freelancer suites combine proposals, contracts, invoices and time tracking in one product, which suits people who don't want several subscriptions.

Templates are the biggest time saver in this category, and they are worth an afternoon of work. Build one proposal per type of job you sell, with the scope written in plain words, the options a client can choose, the payment terms and the next steps after signing. Keep standard terms in one place so you update them once. For invoices, set the payment terms, reminders and late-fee rules once and let the tool apply them. Consistent documents also help clients trust you: they know what to expect from every quote and every bill.

10 client management tools in proposals and invoicing

PandaDoc

Proposals, quotes and contracts with e-signature, document analytics and AI drafting, connected to the main CRMs.

  • Free plan or free tier
  • Developer API
  • Integrates with HubSpot

Wave

by Wave Financial

Invoicing and bookkeeping for very small businesses and freelancers, with free invoicing and paid payment processing.

  • Free plan or free tier
  • Mobile app

Invoice Ninja

Invoicing, quotes and client portal software that you can use hosted or install on your own server.

  • Free plan or free tier
  • Developer API

Proposify

Proposal software with design templates, approval workflows, e-signature and data on how clients read each proposal.

  • Developer API
  • Integrates with HubSpot
  • Integrates with Salesforce

Qwilr

Turns proposals and quotes into interactive web pages with embedded video, pricing options, e-signature and payment.

  • Integrates with HubSpot
  • Integrates with Salesforce

Better Proposals

Web-based proposal builder with templates, e-signature and online payment on acceptance.

Bonsai

Business tools for freelancers and agencies: proposals, contracts, invoices, time tracking and a client CRM.

  • Mobile app

FreshBooks

Invoicing and accounting for small service businesses, with estimates, time tracking and online payments.

  • Mobile app
  • Developer API

QuickBooks Online

by Intuit

Accounting software with invoicing, expenses and reports, and AI agents that help with bookkeeping and payments.

  • Mobile app
  • Developer API

Xero

Cloud accounting with quotes, invoices, bank feeds and a large app marketplace for small businesses.

  • Mobile app
  • Developer API

AI features in this category draft and rewrite proposal sections, summarize long contracts, suggest line items and help categorize transactions. They save time on writing, but the numbers and terms still need your review. A proposal with a wrong price or a contract clause you didn't read is an expensive mistake, whoever drafted it.

Late payment is a common problem for small service businesses, and these tools can reduce it. Clear due dates, online payment buttons and automatic reminders do most of the work. Some tools also support deposits before work starts, payment plans for larger projects and saved cards for recurring work. Pick the options that suit your clients, state them in the proposal, and the invoice simply repeats terms the client already agreed to.

When you compare tools, follow the money. Check which payment providers each one supports in your country, what transaction fees apply on top of the subscription, how deposits and payment plans work, and whether invoices sync to the accounting software your accountant uses. Then send a real proposal and a real invoice to yourself and pay it, so you see the whole flow from the client's side.

The list below mixes proposal tools, freelancer suites and accounting software. Start with the one that covers your biggest pain, whether that is winning work or getting paid on time.

Questions about proposals and invoicing

What is the difference between a proposal tool and an invoicing tool?

A proposal tool helps you win work: scope, pricing options, terms and a signature. An invoicing tool helps you get paid for it: invoices, reminders and payments. Some freelancer suites do both in one product.

Are e-signatures legally valid?

In many countries, electronic signatures are legally valid for most business agreements, but there are exceptions for certain documents. Check the rules where you and your clients are, and keep the signed copy and its audit trail.

Can clients pay a deposit when they sign?

Several proposal and client management tools can collect a payment at the moment of signing. Check which payment providers each tool supports in your country and what fees apply.

Should I use accounting software or a simple invoicing app?

If you only need to send invoices and take payments, a simple app may be enough. If you also track expenses, reconcile bank accounts or prepare taxes, accounting software saves work for you and your accountant.

Do these tools connect to my CRM?

Many proposal tools connect to CRMs such as HubSpot and Salesforce, so a proposal can use a deal's details and update the deal when signed. The listings show these connections where we have confirmed them.

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