Best Document Automation Software (2026): 11 Tools Compared

If you've ever copied a client's name into the same contract template for the fiftieth time, you already know the problem. One typo in a quote or a forgotten clause can take far more time to fix than the copying ever saved.

The eleven tools below are listed alphabetically and in no particular order, and every description comes from the tool's own website, read this week. If you're tidying up how you win and welcome clients, my proposal template that closes is a good template to automate first.

Document automation tools at a glance

I checked the free plan column on each tool's own website, as of Oct 2026. Yes means the site names a free plan, a free account, a free tier or an open source version. Trial only means a time-limited trial. Not stated means the pages I read named neither, even where there's a button inviting you to start for free, so check the vendor's page before you sign up.

Tool	Type	Good for	Free plan
Carbone	Open source report and document generation API	Developers generating reports	Yes
Conga Composer	Document generation software	Contract and sales documents	Not stated
Docmosis	Document generation engine	Fast, reliable document output	Trial only
DocsAutomator	Generate and sign documents from your data	Quotes and contracts from spreadsheets	Not stated
Documint	Document generation for PDFs	Drag-and-drop PDF templates	Not stated
Docupilot	Document automation and generation software	Templates for everyday documents	Not stated
Formstack Documents	AI document generation software	Forms that become documents	Not stated
Gavel	AI contract review and document automation	Law firms automating documents	Trial only
HotDocs	Document automation software	Complex legal and financial templates	Not stated
Plumsail Documents	Document automation for Microsoft 365	Microsoft 365 and SharePoint users	Not stated
Portant	Document automation inside HubSpot	Proposals from CRM data	Not stated

Eleven document automation tools to look at

Carbone

Best for: Developers who want an open source API that turns data and templates into reports, invoices and PDFs.

Conga Composer

Best for: Larger sales and operations teams that want document generation tied to contract management and CPQ tools.

Docmosis

Best for: Software teams that want a document generation engine in the cloud or on their own servers, with a free trial.

DocsAutomator

Best for: Small businesses that want quotes and contracts created from their data, then signed and filed automatically.

Documint

Best for: Operations teams that want to design PDF templates with drag and drop and fill them from their own data.

Docupilot

Best for: Small teams that want to automate everyday documents from templates, with a community template library to start from.

Formstack Documents

Best for: Organisations already collecting data with forms that want it turned into finished documents automatically.

Gavel

Best for: Law firms and legal teams that want document automation and AI contract review together, with a free trial.

HotDocs

Best for: Professional firms with complex legal or financial templates that want long-established document automation software from Mitratech.

Plumsail Documents

Best for: Microsoft 365 teams that want documents created from templates, signed and saved to the cloud automatically.

Portant

Best for: HubSpot users who want proposals and contracts created from CRM data, reviewed and tracked without leaving HubSpot.

If you'd rather have someone map the process and build it with you, see AI automation consultants for small business.

Where to start for your business

• HubSpot users sending proposals: Portant.
• Microsoft 365 and SharePoint teams: Plumsail Documents.
• Law firms: Gavel or HotDocs.
• Developers generating reports: Carbone or Docmosis.
• Quotes and contracts from spreadsheets: DocsAutomator.

Once documents are automated, clients still need somewhere to sign and download them, which is where a client portal fits.

Plain templates beat clever automation

Digital.gov's plain language guides point out that the Plain Writing Act of 2010 established the requirement that content for the public is written for its specific audience. It's a US rule for government writing, but it's a good standard for any business document.

Automation repeats whatever your template says, hundreds of times. A confusing clause becomes a confusing clause in every contract. So rewrite each template in plain words, test it on a real customer, and only then automate it.

Document generation versus full document workflows

Document generation tools take data and a template and produce a finished file, often a PDF or Word document. They're ideal for quotes, invoices, certificates and reports.

Workflow tools go further. They send the document for approval or signature, file the signed copy and update your other systems, so nobody has to chase anything.

Questions to ask before you automate your documents

1. Where does my data live now: forms, sheets or a CRM?
2. Can I build templates in Word or Google Docs?
3. Does it handle conditional clauses and tables?
4. Can it collect signatures or approvals?
5. Where are finished documents stored?
6. Does it connect to the tools I already use?

Signs your documents should be automated

• You copy and paste client details. Let a template do it.
• Quotes go out with old details. Pull data from one source.
• Contracts wait days for signatures. Add signing to the flow.
• Nobody knows which version is current. Store finished files centrally.

Do you make document automation or document generation software? Tool makers can ask to be considered for a featured place on this list.

My plain advice on choosing document automation software

Start with the one document you create most often. Automate that, measure the time it saves for a month, and then add the next. Teams that try to automate every template at once usually end up with none of them working.

Keep a person in the loop for anything legal or high value. Automation should prepare the document, not send a contract nobody has read. Pair it with a client onboarding template and new clients get a smooth, consistent start.

Frequently asked questions

What is document automation software?

Document automation software creates documents automatically by filling templates with data from forms, spreadsheets, databases or a CRM.

What documents can I automate?

Common examples include quotes, proposals, contracts, invoices, letters, certificates and reports.

Is document automation the same as e-signature?

No. Document automation creates the document, while e-signature collects signatures. Some tools do both.

Do I need to know how to code?

Not always. Many tools work with Word or Google Docs templates, while others are APIs built for developers.

Are there free document automation tools?

Some are open source or offer trials. The free plan column above shows what each tool's own site says.

Is document automation useful for small businesses?

Yes. Even a sole trader sending a few quotes a week can save time and avoid copy and paste mistakes.