| 601 | MmidicsvConvert MIDI audio files to human-readable CSV format | 1.1 | Open source | | 46 KB | — |
| 602 | MminilpaAn elegant modern LPA (Licensed Profile Assistant) UI designed for managing eSIM profiles. | 1.1.1 | Open source | | — | — |
| 603 | MmirthsyncCommand-line tool that pulls and pushes Mirth Connect / Open Integration Engine channels, code templates and configuration to a Git repository | 3.8.1 | Open source | | — | — |
| 604 | MmistBrowse and use apps on the Ethereum network. | 0.11.1 | Open source | | — | — |
| 605 | MmkvmergebatcherA GUI for mkvmerge to create/execute custom created MKV models | 2.0.46 | Open source | | — | — |
| 606 | MmodelsFast CLI and TUI for browsing AI models, benchmarks, and coding agents | 0.14.1 | Open source | | — | — |
| 607 | MmoneroThe secure, private, untraceable cryptocurrency | 0.18.5.4 | Open source | | 143.1 MB | — |
| 608 | MmongoshJavaScript and Node.js 14.x REPL environment for interacting with MongoDB | 2.13.0 | Open source | | 63.1 MB | — |
| 609 | MmonokleK8s tool for creating, validating, debugging and managing manifests. | 2.4.8 | Open source | | — | — |
| 610 | MmoonscriptA dynamic scripting language that compiles into Lua. | 0.7.0 | Open source | | — | — |
| 611 | Mmozlz4A CLI tool for compressing and decompressing mozlz4 files. | 0.1.0 | Open source | | — | — |
| 612 | MmpcCommand-line music player client for mpd | 0.22 | Open source | | — | — |
| 613 | MmplayerA multi-platform open source media player | 38151 | Open source | | — | — |
| 614 | MmplsMarkdown Preview Language Server | 0.23.0 | Open source | | — | — |
| 615 | MmpressHigh-performance executable packer for PE32+ and .NET | 2.19 | Open source | | 97 KB | — |
| 616 | Mmpv-easy-playerA modern video player based on mpv | 0.41.0.6 | Open source | | — | — |
| 617 | Mmpv-gitA free, open source, and cross-platform media player | 202610220442 | Open source | | — | — |
| 618 | Mmqtt-cliMQTT CLI is a useful command line interface for connecting various MQTT clients supporting MQTT 5.0 and 3.1.1 | 4.56.0 | Open source | | — | — |
| 619 | Mmqtt-spyAn open source desktop & command line utility intended to help you with monitoring activity on MQTT topics. | 1.0.0 | Open source | | — | — |
| 620 | MmrrssA modern, cross-platform desktop RSS reader. | 1.3.40 | Open source | | — | — |
| 621 | MmsikombustorA standalone benchmark/stability test tool based on software from the maker of Furmark. | 4.1.37 | Free | | — | — |
| 622 | MmsklcCreate or modify keyboard layouts | 1.4 | Free | | 12.4 MB | — |
| 623 | MmtpcopyA Windows CLI tool for copying files from/to a portable device via MTP | 0.3.0 | Open source | | — | — |
| 624 | MmujocoMulti-Joint dynamics with Contact. A general purpose physics simulator. | 3.16.0 | Open source | | — | — |
| 625 | MmultibootusbCreate multiboot live Linux on a USB disk. | 9.2.0 | Open source | | — | — |
| 626 | Mmusicplayer2Audio player which supports music collection playback, lyrics display, format conversion and many other functions. | 2.78 | Open source | | — | — |
| 627 | Nnatural-docsReadable source code documentation for 20 programming languages. | 2.3.1 | Open source | | 5.2 MB | — |
| 628 | NnavopA native, all-in-one workspace for databases, SSH, SFTP, terminals, remote desktop, monitoring, and AI. | 0.20.4 | Open source | | — | — |
| 629 | NncmpcCurses Music Player Daemon (MPD) client | 0.20 | Open source | | — | — |
| 630 | Nnekokolpa2A cross-platform eSIM management app for working with local eUICCs, external readers, and remote reader endpoints. | 2.2.6+588 | Open source | | — | — |
| 631 | Nneoaxis-engineA versatile real-time platform for making 3D, 2D games and apps. | 2024.3.1 | Free | | — | — |
| 632 | NneoraySimple and lightweight GUI client for Neovim. | 0.2.7 | Open source | | — | — |
| 633 | NnetlifyctlLegacy command line interface for managing and deploying sites on Netlify without leaving your terminal. | 0.4.0 | Open source | | — | — |
| 634 | Nnetwork-profile-name-changerA simple app that allows for easy changes to the names of network profiles. | 1.4 | Free | | 913 KB | — |
| 635 | NnmkoderA video encoding, muxing, and analysis GUI in Winforms, built around FFmpeg, FFprobe, and av1an. | 1.10.0 | Open source | | — | — |
| 636 | Nnode-compilerAhead-of-time (AOT) Compiler designed for Node.js | 1.5.0 | Open source | | 26.2 MB | — |
| 637 | NnohboardA keyboard visualizer | 1.3.0 | Open source | | — | — |
| 638 | NnomeiryouiNo!! MeiryoUI is Windows system font setting tool on Windows 8.1/10/11. | 3.5.1 | Open source | | — | — |
| 639 | NnotyAutosaving sticky note with support for multiple notes without needing multiple windows. | 2.2.0 | Open source | | — | — |
| 640 | Nnow-cliThe command-line interface for Now. | 15.8.7 | Open source | | — | — |
| 641 | Nntsc-rsVideo effect tool which emulates NTSC and VHS video artifacts | 0.9.7 | Open source | | — | — |
| 642 | NnvuiFast and feature-rich front-end for neovim | 0.2.1 | Open source | | — | — |
| 643 | NnvyA Neovim client in C++ | 0.4.1 | Open source | | — | — |
| 644 | NnwjsAn app runtime based on Chromium and NodeJS | 0.119.1 | Open source | | 217.8 MB | — |
| 645 | Nnwjs-sdkAn app runtime based on Chromium and NodeJS | 0.119.1 | Open source | | 242.8 MB | — |
| 646 | NnyatermA modern remote terminal workspace | 1.3.1 | Open source | | — | — |
| 647 | Oobs-cmdA lightweight command-line interface for controlling OBS Studio via the obs-websocket v5 protocol. | 1.0.2 | Open source | | — | — |
| 648 | OoculanteA minimalistic crossplatform image viewer written in Rust | 0.9.6 | Open source | | — | — |
| 649 | OodictA blazingly-fast, offline-first format and toolchain for lexical data | 3.3.0 | Open source | | — | — |
| 650 | Ooh-my-openagentYour tool for real work. But it's an agent. | 5.1.40 | Other licence | | 168.1 MB | — |