Browse free open source Calculators and projects for Mac below. Use the toggles on the left to filter open source Calculators by OS, license, language, programming language, and project status.

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    Build gen AI apps with an all-in-one modern database: MongoDB Atlas

    MongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
    Start Free
  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
    Sign up for free
  • 1
    PeaZip

    PeaZip

    Free Zip software and Rar extractor

    PeaZip is a free archiver tool. The application provides an unified, natively portable, cross-platform file manager and archive manager GUI for many Open Source technologies like 7-Zip, FreeArc, PAQ, UPX. Create: 7Z, ARC, Brotl, BZip, GZip, PEA, TAR, WIM, XZ, ZPAQ, ZIP, Zstandard files and more Open and extract 200+ file types: ACE, CAB, DEB, ISO, RAR, ZIPX and more Features of PeaZip includes extract, create and convert multiple archives at once, create self-extracting archives (sfx), split files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export task definition as command line script.
    Leader badge
    Downloads: 1,669 This Week
    Last Update:
    See Project
  • 2
    Position Sizer

    Position Sizer

    Risk-based position size calculation tool with extra features

    Position Sizer is a utility panel for MetaTrader 4 and MetaTrader 5 platforms that lets you easily calculate position sizes for trades based on risk tolerance, stop-loss, account size, and the current market conditions. It can be configured and customized in multiple ways: https://www.earnforex.com/metatrader-expert-advisors/Position-Sizer/
    Downloads: 21 This Week
    Last Update:
    See Project
  • 3

    AuCa

    Auction Calculator

    Auction Calculator
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Fast calculator

    Fast calculator

    Fast and simple calculator.

    Fast calculator is fast and simple calculator with many functions on java.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 5
    A simple on-line calculator for high mathematical problems Version 0.1 will be able to manage with matrixes
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    RxCalc

    RxCalc

    RxCalc is a calculator for the analysis of multi-stage receiver.

    RxCalc is a calculator for the analysis of multi-stage receiver. The software can calculate cascaded and system parameters: gain, noise, sensitivity, input and output P1dB and IP3, noise floor, spur-free dynamic range, MDS, SNR, and others. Sources code: https://github.com/arhiv6/rxcalc Binary package: http://sourceforge.net/projects/rxcalc/
    Downloads: 5 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next