Developer Libraries


Graph .NET

Graph .NET is a Microsoft Graph client library for .NET.

Office .NET

Office .NET is an all-in-one document library for .NET.

Exchange Web Services .NET

Exchange Web Services .NET is an EWS client library for .NET.

Word .NET

Word .NET is a Microsoft Word compatible library for .NET.

MSG .NET

MSG .NET is an Outlook .msg file library for .NET.

ODF .NET

ODF .NET is an Open Document Format library for .NET.

PST .NET

PST .NET is an Outlook .pst file library for .NET.

Spreadsheet .NET

Spreadsheet .NET is a Microsoft Excel compatible library for .NET.

WebDAV .NET

WebDAV .NET is a WebDAV protocol client library for .NET.

Calc .NET

Calc .NET is an Excel compatible formula calculation engine for .NET.


JGraph

JGraph is a Microsoft Graph client library for Java and Android.

JOffice

JOffice is an all-in-one document library for Java.

JWebServices for Exchange

JWebServices for Exchange is an EWS client library for Java and Android.

JWord

JWord is a Microsoft Word compatible library for Java.

JMSG

JMSG is an Outlook .msg file library for Java.

JODF

JODF is an Open Document Format library for Java.

JPST

JPST is an Outlook .pst file library for Java.

JSpreadsheet

JSpreadsheet is a Microsoft Excel compatible library for Java.

JCalc

JCalc is an Excel compatible formula calculation engine for Java.

Coming soon

Independent Format

Independent Format is a self-hosted server and web application for creating, parsing, reading, editing, updating, converting and exporting every email and document format your organization uses.

  • Create, parse, read and update Word, Excel, PowerPoint and OpenDocument files, Outlook PST files, MSG and MIME messages
  • Agent friendly — REST API and MCP server for AI agents
  • API keys and user management
  • Runs on Windows, Linux and macOS

Supported formats

Documents
DOCX, DOC, ODT, PDF, RTF, HTML, Markdown, plain text
Spreadsheets
XLSX, XLS, ODS, CSV
Presentations
PPTX, PPT
Email
Outlook PST and OST, MSG, EML/MIME, MBOX, TNEF (winmail.dat)
Coming soon

Independent Calc

Independent Calc is a self-hosted calculation server for Excel workbooks. Upload a workbook, recalculate every formula on the server and read the results back through the REST API or the web app.

  • Microsoft Excel compatible formula engine
  • More than 500 Excel worksheet functions — maths, statistics, text, date and time, lookup, information, database, financial, ...
  • Recalculation history, diagnostics and audit logs
  • Agent friendly — REST API and MCP server for AI agents
  • API keys and user management
  • Runs on Windows, Linux and macOS