(or at least the ones I have put here, feel free to suggest more through issues/PRs or email me)
- Stanford Pupper https://stanfordstudentrobotics.org/pupper and https://github.com/stanfordroboticsclub/StanfordQuadruped
- Pupper V2 https://www.youtube.com/watch?v=_Sh4kRtmAog
- Anymal https://twitter.com/anybotics
- Stoch https://arxiv.org/abs/1901.00697
- Freenove robot dog kit
- Unitree's quadrupeds: A1, Laikago, Go1, AlienGo, BenBen https://www.unitree.com/products/a1
- Jueying and Jueying Mini from Deep Robotics https://www.youtube.com/watch?v=Mhf47KHe3ZM
- OpenCat Nybble and Bittle from Petoi https://www.petoi.com/
- Arduino Powered Micro Quadruped https://hackaday.com/2021/07/26/little-quadruped-uses-many-servos/
- MIT Mini Cheetah https://www.youtube.com/watch?v=G6fMV1UPzkg
- Cheetah 2 and 3
- TinyMovr https://www.youtube.com/watch?v=2k5lOUGenkE
- Graybotics Grayhound https://graybotics.com/
- SpotMicro https://spotmicroai.readthedocs.io/en/latest/
- open-quadruped https://github.com/adham-elarabawy/open-quadruped
- Boston Dynamics spot and bigdog and LittleDog
- Added XGO-Mini https://www.kickstarter.com/projects/xgorobot/xgo-mini-an-advanced-quadruped-robot-with-ai-modules
- Ghost Robotics https://www.ghostrobotics.io/
- Open Dynamic Robot Initiative https://open-dynamic-robot-initiative.github.io/
- HyQReal by Dynamic Legged Systems lab https://www.youtube.com/watch?v=pLsNs1ZS_TI
- MiniPupper https://hackaday.io/project/180171-mini-pupper-quadruped and https://github.com/mangdangroboticsclub/QuadrupedRobot
- https://twitter.com/pacos_258/status/1460209246499262470
- Robin Fröjd k3lso https://twitter.com/r_frojd
- Spacebok https://www.youtube.com/watch?v=oujhXCPSA-k
- CyberDog https://www.youtube.com/watch?v=UwAQ8Iv0X7c
- World's smallest dog robot - ROBOTALLIC https://www.youtube.com/watch?v=4931kQ8C8-w
- Wolfie by Piotrek Wasilewski https://www.youtube.com/channel/UCLkRs7ln5_dhtIesqWRq0WA
- Martin Triendl's quadruped https://www.youtube.com/watch?v=bnEtJSkUFDk&ab_channel=MartinTriendl
- kagan_industries https://www.instagram.com/p/CJoxuj6FYW_/?target_user_id=33496255864&utm_source=instagram&utm_medium=email&utm_campaign=digest_email&click_source=media&__bp=1]
- Undergraduate Final Year Project Legged Robot https://www.youtube.com/watch?v=xH8DlStdA34&ab_channel=JasonSwee
- https://www.instagram.com/p/CJhiIctn3Un/?target_user_id=33496255864&utm_source=instagram&utm_medium=email&utm_campaign=digest_email&click_source=media&__bp=1
- Josh Pieper mjbots quad A1 robot https://www.youtube.com/watch?v=ePdGshbKR-Q&ab_channel=JoshPieper and https://github.com/mjbots/quad
- https://twitter.com/devemin/status/1421436426277638149
- https://twitter.com/EL2031watson/status/1336505193588871169
- https://github.com/JoshPattman/spotpuppy, https://www.instagram.com/spotpuppyrobot/ and https://blizzardfishstudios.myportfolio.com/four-legged-walking
- Kangal https://www.youtube.com/watch?v=ztCE2fqSIxo&ab_channel=BarisAlp
- Limenitis Reducta https://www.youtube.com/channel/UCfY4QudfnPH8X3gaX6DbpPw/videos
- LIT Dynamics https://www.youtube.com/watch?v=JmccFK-pA9Q&ab_channel=LITDynamics
- Biped Jackdaw https://www.youtube.com/watch?v=Ugg7kOyQjKM&ab_channel=BipedJackdaw
- Lethic Z https://www.youtube.com/watch?v=tVx9pJURzYE&ab_channel=RIMMS-NUST
- https://www.youtube.com/watch?v=53eaFwqbSOk&ab_channel=%EC%9D%B4%EC%A7%80%ED%99%98&
- Mojo https://www.youtube.com/channel/UCgQoVBs3-UAw_EFRveWFJMw
- KWang_12 https://www.youtube.com/watch?v=ABWEnGEHsqo&ab_channel=KWang_12
- Vanessa Weiss https://www.youtube.com/watch?v=95QFbXK_3GQ&ab_channel=VanessaWei%C3%9F
- Erik Lely https://www.youtube.com/channel/UCajFUnfnl-76YDSp5gZsCrg
- Blackie https://www.youtube.com/watch?v=nxRnOm7XuN0&ab_channel=NipunDhananjaya
- Gleb Devyatkin https://www.youtube.com/channel/UCeN1JVt5JxJmrkORexzIDEA
- Dyret https://www.youtube.com/watch?v=8ZSP_KzrP_w
- MPCR Labs https://www.youtube.com/watch?v=oyKwpNno4gI&feature=youtu.be&ab_channel=MPCRLabs
- Paweł Żentała https://www.youtube.com/watch?v=lMpECtYVr-E&ab_channel=Pawe%C5%82%C5%BBenta%C5%82a
- fuwei kang https://www.youtube.com/watch?v=PMRhFD8ek_E&ab_channel=fuweikang
- aheadgarage https://www.instagram.com/aheadgarage
- Damian Lickindorf (Stanley) https://www.youtube.com/channel/UCUuOHh9autp2ztN5tu9NiOg
- Ylo2 https://twitter.com/TlseRobotRace/status/1654576542259740676
- quadruped_bai_tiny https://github.com/psrobotics/quadruped_bai_tiny
- Quadruped v3 Alex Hattori https://www.youtube.com/watch?v=OWvWvxGvhzc&ab_channel=AlexHattori
- The Dingo https://www.youtube.com/watch?v=8KntOIgzUjY&ab_channel=NathanFerguson
- LimX Dynamics Launches First Wheeled Quadruped Robot W1 https://www.youtube.com/watch?v=tEYLccxFuns&ab_channel=LimXDynamics