Carbone merges JSON data with document templates to produce files such as PDF, DOCX, XLSX and PPTX.
Alternatives to Windward Core

CraftMyPDF
CraftMyPDF is a cloud service for designing reusable document templates and generating PDFs or images from dynamic data.

PDFMonkey
PDFMonkey is a cloud document-generation API that turns templates and dynamic data into files.
- 4
7.3From $2.08 a month - 5
Text Control ReportingCloud
Text Control ReportingCloud is a Web API that creates documents by combining Microsoft Word-compatible templates with JSON data sent over HTTP.
AndroidiOSWebAPI7.1From $39 a month - 6

Docmosis
Docmosis generates documents from Microsoft Word and LibreOffice Writer templates, with output available as PDF, DOCX, ODT, or TXT.
WebAPILinuxSelf-hosted6.9From $49 a month - 7

Mailmeteor
Mailmeteor is a personalized email campaign tool that helps users manage replies from Gmail, Outlook and other tools.
Free planWebExtension6.9From $5.99 a month - 8

YAMM
YAMM is a mail merge tool for Gmail and Google Sheets, available as an extension and on the web.
Free planWebExtension6.8From $2.08 a month - 9

Formstack Documents
Formstack Documents is a cloud document-generation service for turning business data into documents such as proposals, contracts, invoices, and reports.
WebAPI6.7From $31.99 a month - 10

PDF Generator API
PDF Generator API automates PDF creation from data and reusable document templates.
WebAPISelf-hosted6.7From €6.67 a month - 11

APITemplate.io
APITemplate.io is a cloud-based web service for generating PDFs and images from templates or supplied content.
Free planWeb6.6From $19 a month - 12

G Merge Plus
G Merge Plus is a web tool for creating personalized documents and email campaigns using Google Sheets data.
Free planWeb6.6From $6 a month - 13
PlainMerge
PlainMerge creates personalized PDF files by combining a PDF template with rows from Excel-compatible spreadsheets.
WebLinuxmacOSWindows6.5$59, paid once - 14
Documint
Documint turns data into formatted documents, including proposals, contracts, invoices, and reports.
WebAPI6.4From $39 a month - 15

Docupilot
Docupilot creates documents by combining intelligent templates with data, then can send the results by email or to other applications.
WebAPI6.4From $29 a month - 16

GMass
GMass sends newsletters, announcements, cold campaigns, and transactional email from inside Gmail through an extension and the web.
WebExtension6.4From $1.67 a month - 17
Nintex DocGen
Nintex DocGen for Salesforce is paid web software that merges Salesforce data into document templates and delivers generated files.
WebAPI6.4 - 18

EDocGen
EDocGen is a no-code document-generation platform with a REST API for turning templates and data into files.
WebAPISelf-hosted6.3From $199 a month - 19
Adobe PDF Services API
Adobe PDF Services API is a cloud-based web API for creating, converting, and organizing PDF documents.
Free planWeb6.2Free plan - 20

BetterMerge
BetterMerge sends personalized mail merge campaigns from Gmail using contacts and fields in Google Sheets.
Free planWebExtension6.1Free plan - 21
Mail Merge Toolkit
Windows6.1From $0.21 a month - 22

Plumsail Documents
Plumsail Documents is a cloud service for generating, converting, protecting, and delivering business documents from reusable templates.
WebAPI6.1 - 23

Mergo
Mergo is a Google Sheets and Gmail mail merge add-on for sending personalized email campaigns.
Free planWeb5.9Free plan - 24

DocuSign Gen
Web5.2From $20 a month
