Showing 156 open source projects for "open source invoice"

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    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

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  • 1
    NocoDB

    NocoDB

    Open Source Airtable Alternative

    NocoDB is an open source #NoCode platform that turns any database into a smart spreadsheet. It is free & self-hostable. Let your imagination be thy limit. Create unlimited grid view, gallery view, form view from your own data. Search, sort, filter columns and rows with ultra ease. Collaborate just like spreadsheets. Invite your team with fine-grained Access Control.
    Downloads: 32 This Week
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  • 2
    PhpSpreadsheet

    PhpSpreadsheet

    A pure PHP library for reading and writing spreadsheet files

    PhpSpreadsheet is a library written in pure PHP and offers a set of classes that allow you to read and write various spreadsheet file formats such as Excel and LibreOffice Calc. PhpSpreadsheet is a library written in pure PHP and offers a set of classes that allow you to read and write various spreadsheet file formats such as Excel and LibreOffice Calc. Support for PHP versions will only be maintained for a period of six months beyond the end of life of that PHP version. Use composer to...
    Downloads: 50 This Week
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  • 3
    Quadratic

    Quadratic

    Data science spreadsheet with Python & SQL

    ...Bring the latest open-source tools directly to your spreadsheet. Quickly write code and see the output in full detail. No more squinting into a tiny terminal to see your data output.
    Downloads: 7 This Week
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  • 4
    CryptPad
    CryptPad is an open-source, end-to-end encrypted collaborative office suite developed by XWiki SAS. It offers a privacy-focused alternative to mainstream cloud-based productivity tools, enabling users to create, edit, and share documents securely without compromising data privacy. All content is encrypted client-side, ensuring that only authorized users can access the information.
    Downloads: 6 This Week
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    Cloud-based help desk software with ServoDesk

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  • 5
    IronCalc

    IronCalc

    Main engine of the IronCalc ecosystem

    IronCalc is a new, modern, work-in-progress spreadsheet engine and set of tools to work with spreadsheets in diverse settings. IronCalc is a lightweight, open-source computational engine designed for performing mathematical operations, formula calculations, and data-driven tasks.
    Downloads: 3 This Week
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  • 6
    VisiData

    VisiData

    A terminal spreadsheet multitool for discovering and arranging data

    ...Code in the stable branch of this repository, including the main vd application, loaders, and plugins, is available for use and redistribution under GPLv3. VisiData is a free, open-source tool that lets you quickly open, explore, summarize, and analyze datasets in your computer’s terminal. VisiData works with CSV files, Excel spreadsheets, SQL databases, and many other data sources.
    Downloads: 3 This Week
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  • 7
    ImportExcel

    ImportExcel

    PowerShell module to import/export Excel spreadsheets, without Excel

    ImportExcel is a popular PowerShell module that enables reading, writing, and manipulating Excel spreadsheets without requiring Microsoft Excel to be installed on the host. It exposes straightforward cmdlets like Import-Excel and Export-Excel that convert between Excel sheets and PowerShell objects, making it simple to pipeline tabular data into reporting and automation flows. Advanced features include adding and formatting tables, setting number/date formats, creating charts, and applying...
    Downloads: 3 This Week
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  • 8
    Jspreadsheet CE

    Jspreadsheet CE

    Javascript plugin to create web-based tables & spreadsheets

    Jspreadsheet CE is a lightweight Vanilla JavaScript data grid plugin to create amazing web-based interactive HTML tables, and spreadsheets compatible data grid with other spreadsheet software. You can create an online spreadsheet table from a JS array, JSON, CSV or XSLX files. You can copy from excel and paste straight to your Jspreadsheet CE spreadsheet and vice versa. It is very easy to integrate any third party JavaScript plugins to create your own custom columns, custom editors, and...
    Downloads: 2 This Week
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  • 9
    stylex-jsx

    stylex-jsx

    Full CSS support for JSX without compromises

    Full, scoped and component-friendly CSS support for JSX (rendered on the server or the client). Code and docs are for v3 which we highly recommend you to try. Looking for styled-jsx v2? Switch to the v2 branch. Blazing fast and optimized CSS rules injection system based on the CSSOM APIs. Full CSS support, no tradeoffs in power. Runtime size of just 3kb (gzipped, from 12kb). Complete isolation: Selectors, animations, keyframes. Built-in CSS vendor prefixing. Very fast, minimal and efficient...
    Downloads: 1 This Week
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    Dominate AI Search Results

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  • 10
    Google Spreadsheets Python

    Google Spreadsheets Python

    Google Sheets Python API

    gspread is a Python API for Google Sheets. A service account is a special type of Google account intended to represent a non-human user that needs to authenticate and be authorized to access data in Google APIs [sic]. Since it’s a separate account, by default it does not have access to any spreadsheet until you share it with this account. Just like any other Google account. To access spreadsheets via Google Sheets API you need to authenticate and authorize your application. Older versions of...
    Downloads: 0 This Week
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  • 11
    Apache OpenOffice

    Apache OpenOffice

    The free and Open Source productivity suite

    Free alternative for Office productivity tools: Apache OpenOffice - formerly known as OpenOffice.org - is an open-source office productivity software suite containing word processor, spreadsheet, presentation, graphics, formula editor, and database management applications. OpenOffice is available in many languages, works on all common computers, stores data in ODF - the international open standard format - and is able to read and write files in other formats, included the format used by the most common office suite packages. ...
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    Downloads: 320,031 This Week
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  • 12
    Excel Writer

    Excel Writer

    A standalone, portable Ada package for producing Excel spreadsheets

    Excel_Out is a standalone, portable Ada package for writing Excel spreadsheets with basic formattings and formulas, easily and programmatically. Enables the automatic production of reports. No interaction needed with Excel or MS Office. More information on: http://excel-writer.sf.net Alire crate: https://alire.ada.dev/crates/excel_writer Mirror: https://github.com/zertovitch/excel-writer
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    Downloads: 21 This Week
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  • 13
    Fireworkz (Colton Software)

    Fireworkz (Colton Software)

    An integrated word processor and spreadsheet for RISC OS and Windows

    Fireworkz combines the features of Wordz (a word processor that you can use to write letters, reports, books, invitations, shopping lists, schedules and other documents) and Resultz (a spreadsheet that you can use to perform calculations, analyse figures, and produce colourful charts) enabling you to do even more; incorporate live results in your reports, or perform an automatic mail-merge to your friends or customers. If you are using Microsoft® Windows®, Linux or macOS, and don't know...
    Downloads: 0 This Week
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  • 14
    OpenL Tablets
    OpenL Tablets is a business rules management system based on tables presented in Excel documents. Providing business-oriented approach, OpenL Tablets treats business documents containing business logic specifications as executable rules. In a very simplified view, OpenL Tablets extracts rule tables from Excel documents and executes them. The rules can be accessible from different applications. OpenL Tablets tools check all data, syntax and type errors in order to avoid any user...
    Downloads: 0 This Week
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  • 15
    Regex Find & Replace in Excel

    Regex Find & Replace in Excel

    Find and replace using Regex in Excel

    Excel Regex Find and Replace The "Excel Regex Find and Replace" is an add-in designed to enhance Excel's native Find and Replace functionality by incorporating regular expressions. With this add-in, users gain the ability to search and replace specific patterns of text using regular expressions, rather than simple literal matches. Regular expressions enable a wide range of advanced search criteria, including wildcards, character classes, quantifiers, and grouping, among others. PS:...
    Downloads: 0 This Week
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  • 16
    MS Project Add-In - Good Plus Fast

    MS Project Add-In - Good Plus Fast

    Extends Project to export Excel report, audit the schedule and more...

    This Microsoft Project add-in includes over 20 features for MS Project 2013 and 2016. You'll be able to see the full chain of predecessor tasks based on the current task, audit your schedule based on industry best practices, see all tasks coming up in the next "x" weeks. This add-in also gives you the power to export a report of your entire project into Microsoft Excel with dates, dates and time, filters, and to see a "Who Does What When" table.
    Downloads: 5 This Week
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  • 17

    SimpleXlsxWriter

    C++ library for creating XLSX files for MS Excel 2007 and above.

    This library represents XLSX files writer for Microsoft Excel 2007 and above. The main feature of this library is that it uses C++ standard file streams. On the one hand it results in almost unnoticeable memory and CPU resources consumption while processing (that may be very useful at saving a large data arrays), but on the other hand it makes unfeasible to edit data that were written. Hence, if using this library the structure of the future report should be known enough. The library...
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    Downloads: 7 This Week
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  • 18

    OpenOffice.org Utility Library

    Library modules for creating ODF documents.

    OpenOffice.org Utility Library modules for creating Open Document Format (ODF) documents which can be read by Office Suites including OpenOffice.org, LibreOffice.org, and Microsoft Office. Currently, ooolib-python can create Calc spreadsheet ODS documents. These documents include many features including: - Create multiple table spreadsheets - Cells with text, numbers, dates, formulas - Ability to use built-in styles - Ability to create automatic styles (ie. bold, italics,...
    Downloads: 0 This Week
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  • 19
    Excel  AddIn :   In2Sql

    Excel AddIn : In2Sql

    ODBC Cloud SQL Explorer. Connection Manager. Query Editor.

    https://sourceforge.net/projects/in2sql Video for best usage https://rb.gy/tvl8lk This Excel Addin helps SQL analytic create an Excel report based on ODBC relational data. *Creates table base on data from a relational database *Generate a pivot report using the same external connection (1) *Some ad-hoc tools are available - like "keep only" and "remove only" *you can use the row limit option for exploring the largest dataset *The ODBC connection manager is available...
    Downloads: 6 This Week
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  • 20
    XLW is a C++ wrapper for the Excel C API described in the Microsoft Excel 97 Developer's Kit. It makes xll programming automatic. Its powerful interface will empower your C, C# or C++ numerics by embedding them in Excel just like the built-in functions.
    Downloads: 1 This Week
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  • 21
    MS Excel Add-In - Good Plus Fast

    MS Excel Add-In - Good Plus Fast

    Microsoft Excel add-in used to shorten repetitive tasks.

    Create a roster by copying a list of email addresses from Outlook or consolidate multiple columns into one or two columns. Sheet control allows you to prefix all the sheets with numbers, sort the sheets alphabetically, or delete the desired sheets.
    Downloads: 0 This Week
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  • 22
    iTelliHashExcel

    iTelliHashExcel

    Cryptographic Hashing Application for Excel Files

    iTelliHashExcel is a cryptographic “one-way” hashing application designed to securely protect sensitive or private information from disclosure. Proper use of this program allows organizations, businesses, and individuals (i.e., the data owners) to share complete/intact datasets containing sensitive data with others without actually disclosing the sensitive or private information. Additionally, if such datasets are subsequently modified or enhanced through value-added services or products...
    Downloads: 0 This Week
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  • 23
    EtherCalc

    EtherCalc

    Open source web spreadsheet

    EtherCalc is an open source, web-based spreadsheet that allows multiple users to collaborate and work remotely and in real time. Users can edit the same spreadsheet at the same time, with changes instantly reflected on screen. It accepts various mathematical formulae and other functions, and supports several default text formatting directives as well.
    Downloads: 12 This Week
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  • 24
    stylefmt

    stylefmt

    stylefmt is a tool that automatically formats stylesheets

    stylefmt is a tool that automatically formats CSS according to stylelint rules. stylefmt'd code is easier to write. Never worry about minor formatting concerns while hacking away. Easier to read, when all code looks the same you need not mentally convert others' formatting style into something you can understand. Easier to maintain, mechanical changes to the source don't cause unrelated changes to the file's formatting; diffs show only the real changes. Uncontroversial, never have a debate...
    Downloads: 0 This Week
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  • 25
    Fiscal Calendar in Excel

    Fiscal Calendar in Excel

    Populates dates, higlights business days and fiscal month start dates.

    Fiscal Calendar in Excel generates an elegant calendar based on the year you type into cell J1, with July 1 being the first day of the fiscal year. The fiscal month begins on the last Monday of the previous month with a full work week (5 days). For example, the Monday ten days before Thanksgiving will be the first week of fiscal month December (November 13 in 2017). Fiscal Calendar in Excel allows you highlight certain business days each month and it'll highlight holidays every year. If...
    Downloads: 0 This Week
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