| Master Your Multiplication | Multiplication game for children. | Math | 1999 | Unknown | 1999/09/28 |
| Math Drill 20 | An addition/subtraction trainer for children. | Math | 1999 | Susan Cramer, Norm Cramer | 1999/09/21 |
| Frequency Modulation Synthesis | FM waveform modulation test app. | Music Apps | 2009 | Leaf | 2009/04/10 |
| GameBoy Rhythm Box | A sample drum kit for testing different sample rates. | Music Apps | 16K | Leaf | 2009/12/18 |
| NSF Player for Gameboy Color | Play NSF music on Game Boy Color. | Music Apps | 2007 | Leaf | 2007/05/10 |
| NSF Player for Gameboy Color ver.2 | An improved version of GBNSF. | Music Apps | 2009 | Leaf | 2009/07/13 |
| Game Boy Sound Manipulator | Homebrew that provides on-device/on-emulator sound parameter editing. | Music Apps | 1.1.1 | Abe Pralle | 2022/01/08 |
| Sound Demo | An app that allows you to experiment with the sound channels. | Music Apps | Fixed | Unknown, Fixed by Zalo | 2020/10/07 |
| GB SFX Generator | A tool for making authentic Game Boy sound effects. | Music Apps | 2015 | Patrick Rodriguez | 2015/08/10 |
| Nanovoice | 4-bit lofi synth. | Music Apps | Demo | Oliver Wittchow, Julian Rohrhuber | 2001/06/02 |
| Square | Explore euclidean drum patterns on your Game Boy. | Music Apps | 0.1 Alpha | soleil-alpin | 2020/07/24 |
| Sludgeon | A simple 8-step-sequencer. | Music Apps | 0.99002 | 8CYLINDER | 2004/09/02 |
| Sludgeon2 | Continuation of Sludgeon. | Music Apps | 2006 | 8CYLINDER | 2006/12/20 |
| Pounder | A simple drumset. Every button triggers a drum-sound. | Music Apps | 2.0 | 8CYLINDER | 2004/09/02 |
| UCBN | Generates brownian and white noise with adjustable settings. | Music Apps | 1.001 Final | 8CYLINDER | 2004/09/02 |
| Nerd-Rix | A keyboard synthesizer also known as Ikinari Boper Easy Edition. | Music Apps | 1.0 | Nira | 2004/11/02 |
| Ikinari Boper | Keyboard synthesizer for the Game Boy. | Music Apps | 1.5 | Nira | 2004/01/01 |
| Muddy GB | Use the Game Boy as a musical instrument. | Music Apps | 11 | s.o | 2005/03/28 |
| sass step-girl | A semi-automatic step sequencer. | Music Apps | 15 | s.o | 2004/02/14 |
| Chord | A monophonic synth program. | Music Apps | 1.06 | Erik Sigth (Humbletune) | 2014/10/06 |
| onputor | 4-channel step-sequencer. | Music Apps | B6 | romphax | 2004/01/01 |
| GB303 | Wavetable-based TB-303 style synthesizer | Music Apps | 1.0 | Furrtek | 2016/10/24 |
| Faderfox Jr. | A Game Boy and PC program that emulates Micromodul LX1, with expanded emulation for Faderfox LD2 and DJ1 models. | Music Apps | 2008 | 8CYLINDER | 2008/06/28 |
| metro | Simple metronome for the Game Boy. | Music Apps | 1999 | Michael Hope | 1999/01/05 |
| Fatass | A Fast Tracker II clone for the Game Boy Color. | Music Apps | 2000 | Jeremy Evers | 2000/07/18 |
| GB Electric Drum | Live drum kit for the Game Boy. | Music Apps | 2001 | Aleksi Eeben | 2001/12/29 |
| mGB | Nintendo Game Boy MIDI control for Arduinoboy. | Music Apps | 1.3.3 | trash80 | 2012/12/21 |
| Little Sound Dj | Game Boy music editor. Also known as LSDj. | Music Apps | 9.3.9 | Johan Kotlinski | 2023/06/17 |
| Carillon Player | Music Engine for Game Boy and Game Boy Color. | Music Apps | 1.2 | Aleksi Eeben | 2001/01/09 |
| Headache Boy | Random noise generator. | Music Apps | 2016 | frax91 | 2016/10/18 |
| Lemon Player 1 | Tracker to play a music on Game Boy (source code). | Music Apps | 2.97a | G.Raimond (Lemon) | 2000/08/26 |
| NanoSynth | 16 channels spectral sound synthesis. | Music Apps | Demo | Oliver Wittchow, Julian Rohrhuber | 1999/12/04 |
| Bleep | A music maker for the Game Boy. | Music Apps | prerelease/alpha | Andrew G. Crowell (Bananattack) | 2014/07/08 |
| GameBoy Music Compiler | Play music using the Game Boy sound source. | Music Apps | 2019 | Leaf | 2019/10/03 |
| Beep Boop Boom Box | A tone matrix-style music toy. | Music Apps | 2015 | Patrick Rodriguez | 2015/07/12 |
| Amenizer | Amen Break Sample Masher. | Music Apps | 2013 | nitro2k01 | 2013/02/11 |
| Carillon Waveform Editor | Modified version of Carillon which includes a waveform editor for Channel 3. | Music Apps | 1.2 | Aleksi Eeben, nitro2k01 | 2017/01/12 |
| GBSoundXperimenter | Sound register editor. | Music Apps | 1.3 | MJCulross | 1999/08/29 |
| GBSoundXperimenter Mod | Modified version of GBSoundXperimenter with different keypad routine and cart RAM saving. | Music Apps | 1999 | Ken Kaarvik | 1999/09/07 |
| GB-Tracker | A minimalistic music tracker. | Music Apps | 990220 | BouKiChi | 1999/02/20 |
| Lemon Player 2 | A more advanced version of the original Lemon Player. | Music Apps | 0.01b | G.Raimond (Lemon) | 2000/08/16 |
| Music Box | An advanced GameBoy Color and GameBoy music and soundeffect system. | Music Apps | 1.3 | Black Box | 2001/02/26 |
| Rez | A unique Gameboy synth ROM. | Music Apps | 2012 | nitro2k01 | 2012/12/11 |
| Droneboy | Drone music application. | Music Apps | 1.08 | purefunktion | 2025/05/31 |
| waveform-gb | Game Boy Wave Form Visualizer. | Music Apps | 0.1.0 | dannye | 2026/03/01 |
| GBClock | Talking clock for Game Boy. | Other Apps | 1.2 | Jeff Frohwein | 1997/12/07 |
| DrawCircles | An abstract art program. | Other Apps | 1.1.0 | Tambalaya | 2015/03/09 |
| Stopwatch by Chris | Simple stopwatch. | Other Apps | 1 | Chris Antonellis | 2011/11/01 |
| Magic Screen (Etch-A-Sketch) | The classic drawing toy on Game Boy. | Other Apps | 1.1 | Ryoga (jduranmaster) | 2022/03/24 |
| GB-Clock | A program for MBC3 CART that controls the Real-Time Clock (RTC) function. | Other Apps | 1999 | TeamKNOx | 1999/01/04 |
| iR Remote Controller | Using Gameboy Color IR feature. | Other Apps | 2000 | TeamKNOx | 2000/08/06 |
| RoReCon | LEGO Mindstroms controller by Game Boy Color. | Other Apps | 2000 | TeamKNOx | 2000/03/19 |
| IrViewer | A visual tool that displays invisible infrared signals on GBC screen. | Other Apps | 2000 | TeamKNOx | 2000/03/26 |
| GB-Phreak | Enhancd DTMF Dialer for Phreaks. | Other Apps | 1.0 | Osamu Ohashi | 2000/11/01 |
| Color Tuner | Compares color on emulators vs. Game Boy Color by shading from dark to bright. | Other Apps | 1.0.0 | Massimo Grasso | 1999/10/13 |
| Gabe Edit | Morse code translator. | Other Apps | 0.1 | Unknown | 1998/09/17 |
| Infra-Read | Detects Infra-red signals by showing green streaks and noise. | Other Apps | 1999 | Pan of Anthrox | 1999/01/24 |
| DIGIT CLOCK | Game Boy digital clock display simulator. | Other Apps | 1.0 | NotImplementedLife | 2021/06/21 |
| GBSlides | A simple GameBoy Powerpoint-like slides viewer. | Other Apps | 1.0 | Kartones | 2023/04/21 |
| des.gb | DES encryption on Game Boy. | Other Apps | 1.0 | Sanqui | 2018/03/29 |
| gb_bannerprinter | Use the Game Boy Printer to create banners. | Other Apps | 1.5 | Christian Reinbacher | 2022/05/18 |
| OBGBTC | Onboard Gameboy Tile Creator. | Other Apps | 1.1 | E.Allen Soard | 1999/06/09 |
| GB Basic | Run interpreted BASIC programs on GB/GBC. | Other Apps | 2.1 | Jeff Frohwein | 2001/02/17 |
| Windows 89 | A simple operating system for the Game Boy. | Other Apps | b06 | Villagerjj | 2021/11/13 |
| ClockBoy - The Other Alarm Clock | Turn your Game Boy into an alarm clock. | Other Apps | 2 | pixjuan | 2021/12/09 |
| D&D Character Sheet Demake | A character sheet generator for the table-top RPG DnD 5E. | Other Apps | 1.0-alpha | Psy | 2021/09/30 |
| BrainFox | A Game Boy native BrainF*ck translator. | Other Apps | 1.3 | Yprit | 2021/09/30 |
| blossom rom | It is time to bloom // meditative Game Boy game. | Other Apps | 2018 | Colorful Courier | 2018/01/30 |
| Game Boy D&D Character Sheet | Create your D and D 5e character sheet on your Game Boy. | Other Apps | 2021 | crraiig | 2021/10/12 |
| One Bit Paint | Draw on a Game Boy screen. | Other Apps | 1.0.0 | dreamlandgames | 2021/09/30 |
| IBM BarCode Reader | Barcode reader handling by Game Boy Color. | Other Apps | 2000 | TeamKNOx | 2000/11/01 |
| Blem! : Playstation Emulator for the GB | A prank homebrew. | Other Apps | 1999 | Unknown | 1999/07/03 |
| breatheGB | A mindfulness app for the Game Boy. | Other Apps | 2020 | davidhaselb | 2020/04/01 |
| Calculator | A simple calculator. | Other Apps | 2017 | Eternity Ware Studios (jobalisk) | 2017/05/28 |
| :Cue:C.A.T. Reader | Cuecat reader handling by Game Boy Color. | Other Apps | 2000 | TeamKNOx | 2000/11/01 |
| Gameboy Camera | Test program for Game Boy Camera. | Other Apps | 2000 | Dark Fader | 2000/07/14 |
| GB-GBS | GPS receiver handling by Game Boy Color. | Other Apps | 1.0 | TeamKNOx | 2000/11/01 |
| GameBoy Library | GB Bunko and text converter. | Other Apps | 2008 | Leaf | 2008/01/04 |
| GB-PDC | Controller for PDC(2G) mobile phones with Japanese format. | Other Apps | 1.0 | TeamKNOx | 2000/01/01 |
| Random Number Generator | A random number generator programmed for the Game Boy. | Other Apps | 2016 | Ryoga (jduranmaster) | 2016/03/27 |
| GB-Shell | Command Shell FrameWork for Game Boy Color. | Other Apps | 2001 | TeamKNOx | 2001/11/01 |
| Watch Demo | Watch demo for GBC. | Other Apps | 2001 | Johnny13 | 2001/12/21 |
| Hashcam | Enable webcam support with the help of the modified Hash emulator. | Other Apps | 1999 | Dark Fader | 1999/12/08 |
| IBM Keyboard Reader | Type on your Game Boy Color using an AT keyboard. | Other Apps | 1999 | Ken Kaarvik | 1999/03/30 |
| Infrared Investigator | Use your GBC to see what information is coming out of your collection of infrared remote controls. | Other Apps | 2000 | Ken Kaarvik | 2000/09/07 |
| GB-KEY | PS2 keyboard handler for Game Boy Color. | Other Apps | 2000 | TeamKNOx | 2000/06/30 |
| N64 Controller with Rumble Pak Support | Functions as a crude Nintendo 64 controller if a Game Boy is wired properly to a Nintendo 64 controller jack. | Other Apps | 1999 | Ken Kaarvik | 1999/06/20 |
| RPN Calculator | Reverse Polish Notation calculator on Game Boy. | Other Apps | 1997 | Unknown | 1997/08/04 |
| RS232 | Talk to any RS232 device at 9600 baud with this utility. | Other Apps | 1999 | Ken Kaarvik | 1999/05/21 |
| Rumble test | Test program that adds a cellular phone rumble motor to a cartridge. | Other Apps | 1999 | Dark Fader | 1999/12/11 |
| Sketch | Sketch game for Game Boy. Created using GBDK. | Other Apps | 2018 | MateuszZet | 2018/07/18 |
| Solve Knight | Solve the Knight games from any start position. | Other Apps | 1.1 | Ventzislav Tzvetkov (drHirudo) | 2003/12/21 |
| Sony Infrared Keyboard Reader | Type on your Game Boy Color with this Infrared keyboard. | Other Apps | 1999 | Ken Kaarvik | 1999/05/21 |
| Talking GB | Hear your Gamy Boy talk. | Other Apps | 1997 | Jeff Frohwein | 1997/11/27 |
| Universal Learning Remote | Universal remote control reader. | Other Apps | 1999 | Ken Kaarvik | 1999/03/13 |
| Xidian | A simple Chinese to English dictionary. | Other Apps | 1.2 | Pui Binh Phan | 2000/01/29 |
| StopWatch by Ken | Multi-function stopwatch including lap and split counters. | Other Apps | 1999 | Ken Kaarvik | 1999/07/16 |
| GB-DTMF | A homebrew that demonstrate DTMF (Dual-Tone Multi-Frequency) system in telecommunication. | Other Apps | 1.0 | Osamu Ohashi | 2000/05/27 |
| LittleFM | An alternative file manager for LSDj. | Utilities | 0.5.2 | nitro2k01 | 2016/11/21 |
| EMSMenu | EMS cart Multi-ROM Menu program. | Utilities | 1.2 | Ed Mandy (Flavor) | 2000/09/29 |
| Bung Multi-ROM | Source code (GBDK 2.1.5) for Bung Multi-ROM Menu program. | Utilities | 2000 | Ed Mandy (Flavor) | 2000/12/12 |
| BH GOS | Make your own multi-ROM ROM image. | Utilities | 1.0U | The Blue Hippo | 2001/03/31 |
| PocketVoice Multi-ROM Menu | Multi-ROM Menu program for PocketVoice. | Utilities | 2.1 | Ed Mandy (Flavor) | 2000/10/02 |
| Game Boy Color Picker | A utility to help with colorizing Game Boy games, or developing homebrew. | Utilities | 2022 | xenophile | 2022/05/15 |
| GBDebug | View the memory in the Game Boy. A mini-assembler/disassembler is included. | Utilities | 1.3 | Jeff Frohwein | 2000/01/04 |
| Joypad Test | Button tester. | Utilities | 1998 | Nick Kochakian | 1998/02/01 |
| GB-PDA | Transform the Game Boy Color into a fully-functional Personal Digital Assistant (PDA). | Utilities | 4.5 | TeamKNOx | 2002/05/19 |
| Work Master OS | Russian multi tasking operating system. | Utilities | 3.0 | A.D.Inform | 2005/09/07 |
