Showing 208 open source projects for "tool"

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  • 1
    Frappe Books

    Frappe Books

    Free Desktop book-keeping software for small-businesses & freelancers

    Frappe Books is a free and open source desktop book-keeping software that's simple and well-designed to be used by small businesses and freelancers. It's got everything you need from a small business accounting tool: invoices, billing, payments, reporting and more. It's made to work offline using a local SQLite file as the database, so you don't have to be dependent on a Cloud service provider. Frappe Books features a clean and modern, web-friendly UI, beautiful invoice templates, standard financial reports and other great features. It's inherently portable and secure, as your data is never uploaded into the Cloud.
    Downloads: 62 This Week
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  • 2
    Kalshi Trading Bot CLI

    Kalshi Trading Bot CLI

    AI-native CLI for trading Kalshi prediction markets

    ...Built as a CLI application, it allows traders to interact programmatically with markets, making it suitable for automation and integration into larger trading pipelines. The tool emphasizes disciplined trading through its risk engine, ensuring that decisions are filtered through multiple validation layers before capital is committed.
    Downloads: 5 This Week
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  • 3
    Firefly III

    Firefly III

    Firefly III: a personal finances manager

    Firefly III is a personal finance manager and double-entry accounting tool built to help individuals and small organizations track budgets, investments, debts, and expenses. Users can import bank statements (CSV, OFX, QIF) or integrate via APIs, map transaction categories, and reconcile accounts. The system supports budgeting schedules, repeating transactions, automatic categorization rules, and reporting dashboards to analyze trends over time.
    Downloads: 7 This Week
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  • 4
    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: 6 This Week
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  • 5
    Prophet

    Prophet

    Tool for producing high quality forecasts for time series data

    Prophet is a procedure for forecasting time series data based on an additive model where non-linear trends are fit with yearly, weekly, and daily seasonality, plus holiday effects. It works best with time series that have strong seasonal effects and several seasons of historical data. Prophet is robust to missing data and shifts in the trend, and typically handles outliers well. Prophet is used in many applications across Facebook for producing reliable forecasts for planning and goal...
    Downloads: 9 This Week
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  • 6
    Cashew

    Cashew

    An app created to help users manage a budget and purchases

    ...Cashew is cross-platform, so the same codebase runs smoothly on Android and iOS. Its design is focused on giving control to users without unnecessary complexity, making it suitable as a learning project as well as a practical budgeting tool.
    Downloads: 7 This Week
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  • 7
    ThetaGang

    ThetaGang

    ThetaGang is an IBKR bot for collecting money

    ThetaGang is an IBKR trading bot for collecting premiums by selling options using "The Wheel" strategy. The Wheel is a strategy that surfaced on Reddit but has been used by many in the past. This bot implements a slightly modified version of The Wheel, with my own personal tweaks. The strategy, as implemented here, does a few things differently from the one described in the post above. For one, it's intended to be used to augment a typical index-fund-based portfolio with specific asset...
    Downloads: 5 This Week
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  • 8
    lemonade-stand

    lemonade-stand

    A handy guide to financial support for open source

    lemonade-stand is an open educational project designed to teach developers how to build and run a software business through a collection of curated resources, guides, and real-world examples. Rather than being a traditional software tool, it functions as a structured knowledge base that walks users through the process of ideation, product development, marketing, monetization, and scaling. The repository is organized into sections that cover key aspects of building a startup, including pricing strategies, user acquisition, growth tactics, and operational considerations. ...
    Downloads: 1 This Week
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  • 9
    Income Tax Portal

    Income Tax Portal

    An automated tool to fetch data from income tax websites

    IT Portal by Jamku is a cloud software offered on SAAS model. It's designed to be used by Chartered Accountants, Tax Consultants, Large corporates. Basically, anyone who wants to view all the information about multiple PANs in one Unified Dashboard. Fast, intuitive search. All the reporting needs are covered. One-click data fetching from the Income tax portal for all PAN. Including all PDF files (i.e. Notices, Challans, Attachments). Super simple and easy-to-use interface to track Demand,...
    Downloads: 0 This Week
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  • 10
    Tally

    Tally

    Let agents classify your bank transactions

    Tally is an open-source, AI-assisted tool designed to automate the classification of personal financial transactions, helping users turn raw bank data into meaningful categories without manual tagging. At its core, Tally pairs a local rule engine with large language models so that an AI assistant (like Claude Code, Copilot, or any CLI agent) interprets, suggests, and categorizes expenses, savings, subscriptions, and income events based on your own rules and behavior.
    Downloads: 0 This Week
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  • 11
    esniper was a lightweight console application for sniping eBay auctions. *It does not work anymore.* The development stopped in 2020 because ebay has changed the login mechanism in a way we could not handle in the existing code.
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    Downloads: 27 This Week
    Last Update:
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  • 12
    bitResurrector

    bitResurrector

    Bitcoin private key recovery tool with Bloom Filter & CUDA

    ... - GPU Mode: Massive parallel computation via NVIDIA CUDA. - Memory Management: Zero disk I/O lag using mmap (Memory-Mapped Files). BitResurrector is a closed-source, proprietary tool for researchers and professionals.
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    Downloads: 72 This Week
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  • 13
    Financial Calculator

    Financial Calculator

    Windows 11 only — includes 16 sections with text and visual reports.

    Take control of your finances with Financial Calculator 8.0, a professional yet easy-to-use desktop tool built for precise, everyday financial calculations. From planning loans and estimating taxes to generating invoices and creating QR codes, this all-in-one software offers 16 specialized sections that make your daily financial and business tasks faster, clearer, and more accurate. Whether you’re a student, small business owner, or finance professional, Financial Calculator brings professional-grade precision to your desktop—no installation required. ...
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    Downloads: 18 This Week
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  • 14
    Actual Budget

    Actual Budget

    Local-first personal finance app for budgeting, tracking accounts,

    ...Actual combines strong performance with a clean budgeting workflow and is especially well known for its support of envelope budgeting. It is designed for users who want a practical and transparent personal finance tool that remains private, flexible, and self-directed. Optional end-to-end encryption and multi-device sync help users keep control over both access and portability.
    Downloads: 12 This Week
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  • 15

    Online Invoice

    Create pixel-perfect PDF invoices in seconds

    Use our free online invoice generator tool to create professional PDF bills instantly. Add your logo and download. The best simple invoice generator!
    Downloads: 0 This Week
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  • 16
    TOPCEE

    TOPCEE

    Python GUI tool for estimating plant CAPEX, OPEX, and profitability

    ...The app calculates capital and operational expenditures (CAPEX & OPEX) and provides key profitability metrics such as: **ROI (Return on Investment) **IRR (Internal Rate of Return) **NPV (Net Present Value) **Payback Period (Discounted and Non-Discounted) **Benefit-Cost Ratios Users input plant-specific values like feedstock costs, operating time, product price, and equipment cost — and the tool generates real-time visualizations and results. TOPCEE is ideal for feasibility studies, academic research, and early-stage techno-economic evaluations.
    Downloads: 0 This Week
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  • 17
    Financial Calculator (Linux)

    Financial Calculator (Linux)

    Professional financial tools: 16 sections with text and visual reports

    Take control of your finances with Financial Calculator 8.0, a professional yet easy-to-use desktop tool built for precise, everyday financial calculations. From planning loans and estimating taxes to generating invoices and creating QR codes, this all-in-one software offers 16 specialized sections that make your daily financial and business tasks faster, clearer, and more accurate. Whether you’re a student, small business owner, or finance professional, Financial Calculator brings professional-grade precision to your desktop—no installation required. ...
    Downloads: 2 This Week
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  • 18
    Spreadsheets-by-Microsoft-Excel

    Spreadsheets-by-Microsoft-Excel

    Spreadsheets By Excel Free Download

    ...Additionally, it supports integration with other Microsoft Office applications, cloud storage, and various third-party tools. With its user-friendly interface and extensive customization options, Microsoft Excel is an essential tool for businesses, students, and individuals in a wide range of fields. Spreadsheets By Excel Spreadsheet editor & Viewer Microsoft Spreadsheets Free Download
    Downloads: 3 This Week
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  • 19
    SnacTrac

    SnacTrac

    The cash-based snack bar manager!

    SnacTrac is a tool designed to simplify managing a cash-based snack bar. After creating an account with admin approval, customers can use SnacTrac as a self-service purchasing kiosk. The system automatically tracks customer tabs and inventory, maintains purchase history, and provides an admin control panel with configurable user debt limits and more!
    Downloads: 0 This Week
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  • 20
    Money Math

    Money Math

    Smart financial calculator for savings, discounts and payments

    ...The app is fast, lightweight, and works offline, securing your privacy by not storing personal data. Whether budgeting, saving, or shopping smarter, this app is your go-to tool for better financial decisions.
    Downloads: 0 This Week
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  • 21

    Personal Budget Tracker

    Personal Budget Tracker — Simple Expense Logger

    Personal Budget Tracker is a minimal yet functional CLI tool to help users manage their income and expenses. It supports categorization, listing, and CSV export. Great for learning Python or organizing your personal finances.
    Downloads: 0 This Week
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  • 22

    Excel Comparator

    This tool allows the comparison of two excel sheets

    The Sheet Comparator is a tool intended to highlight the differences between two excel files, or two worksheets, or even tables within the same spreadsheet. It differs itself from other excel comparators by the being able to treat database like tables, and also because it can annotate the differences directly on the spreadsheet comments. Using the tool's diff table, it allows the user to quickly scroll into the differences.
    Downloads: 4 This Week
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  • 23
    Quoter

    Quoter

    Quoter - The Console Based Stock Quote Tool

    Quoter is a small command line tool to fetch stock quotes. In order to minimize HTML scraping, it retrieves quotes from IEXCloud. You can signup for free and get 500k stock quotes per month. Please check their usage agreements prior to signing up and ensure you are allowed to user their service. After getting an account, log into the dashboard and you can see your API tokens.
    Downloads: 1 This Week
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  • 24
    TradeMaster

    TradeMaster

    TradeMaster is an open-source platform for quantitative trading

    TradeMaster is a first-of-its-kind, best-in-class open-source platform for quantitative trading (QT) empowered by reinforcement learning (RL), which covers the full pipeline for the design, implementation, evaluation and deployment of RL-based algorithms. TradeMaster is composed of 6 key modules: 1) multi-modality market data of different financial assets at multiple granularities; 2) whole data preprocessing pipeline; 3) a series of high-fidelity data-driven market simulators for mainstream...
    Downloads: 2 This Week
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  • 25
    Mintable

    Mintable

    Automate your personal finances – for free, with no ads

    Mintable is an open-source command-line tool designed to automate personal finance tracking by integrating banking data directly into spreadsheets for analysis and budgeting. It functions as a self-hosted alternative to tools like Mint, focusing on privacy by avoiding ads, tracking, and centralized data storage. The system connects to financial institutions using services like Plaid or allows users to import transaction data manually via CSV files, giving flexibility depending on user preferences and region. ...
    Downloads: 0 This Week
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