| Name | Developer | Last updated | Open source?[a] | Latest release | Android version | Year started |
Supported devices | Notes |
| Active |
| BharOS | JandK, IIT Madras | 2023 | No | Unknown | 13 (?) | 2023 |
|
A fork of the Android Open Source Project |
| CalyxOS | Calyx Institute | 2025 | Yes | 6 | 15 | 2019[1] | Google Pixel 4a (5G) through 9, Fairphone 4 and 5, SHIFTphone 8, Moto G32 through G84[2] | Privacy focused. |
| ColorOS | OPPO | 2024 | Kernel only | 15.0 | 15 | 2013 | OPPO and OnePlus Android Smartphones and Tablets | |
| CopperheadOS | Copperhead Security | 2022 | Kernel only | 13.09.28 |
13[3] | 2014 |
9[4] | Security- and privacy-focused, no OS analytics by default, smartphones with preinstalled OS commercially available. |
| crDroid | crDroid team | 2025 | Yes | 11.2 | 15 | 2014[5] |
485[6] | Based on LineageOS |
| /e/ |
e Foundation | 2025 | optional proprietary apps[7] |
2.9[8] |
14[8] |
2017 |
220[9] |
Privacy focused, smartphones with preinstalled OS commercially available. Forked from LineageOS. Formerly called "Eelo" and now named MurenaOS. |
| emteria.OS |
emteria GmbH |
2024 | Kernel only[10] |
14.4[11] |
14 |
2017 |
ARM and x86 platforms, custom industrial hardware platforms, strong focus on the Raspberry Pi family (5, 4B, 3B, 400, CM, etc.) |
Platform for building custom Android ROMs ("emteria.OS") targeted at professional enterprise applications. Supported by a set of remote management and OTA update capabilities ("DeviceHub"). |
| Fire OS | Amazon.com, Inc. | 2021-09-25 | Partial[12] | 8.3.1.9 | 11 | 2011 |
Amazon Kindle Fire, Fire TV, Fire Phone, Amazon Echo | Centered on content consumption, heavy ties to Amazon's store and content. |
| GrapheneOS |
GrapheneOS team | 2024 |
Yes |
15 |
15 |
2019[13] |
Supported Google Pixel devices[14] |
Security and privacy focused. Lead developer worked on CopperheadOS until a dispute between the co-founders over licensing caused his departure.[13] |
| Xiaomi HyperOS | Xiaomi Corporation | 2024 | Kernel only | 2.0 | 15 | 2023 |
Xiaomi, Redmi and POCO devices | Succeeding MIUI. |
| Indus OS | Team Indus OS | ? | Kernel only | 3.0 | 7 | 2015 |
80[15] | |
| iodéOS |
iodé technologies |
2025 |
optional proprietary apps[16] |
6.0 |
15 |
2020 |
39[17] |
Privacy focused and based on LineageOS, comes with a built-in adblocker. |
| Kali NetHunter[18][19] |
Kali community member "BinkyBear" & Offensive Security |
2024-09-11[20][21] |
Yes |
2024.3[19][20][21] |
5.1.1
-
14[19][22][23][24] |
2016 (?) |
48[1][2][3][4] |
Open Source Android penetration testing platform. NetHunter supports Wireless 802.11 frame injection, one-click MANA Evil Access Point setups, HID keyboard, as well as BadUSB MITM attacks – built upon Kali Linux distribution and toolsets.[1][2][3] |
| LineageOS | LineageOS community | 2024 | Yes | 22.1 | 15 | 2016 |
175[25] | Officially the successor of CyanogenMod. |
| MagicOS | Honor | 2024 | No | 9 | 15 | 2016 |
Honor devices | Also known as Magic UI on pre 7.x version, independently developed by Honor for Honor devices after it split with Huawei. |
| OmniROM | OmniROM community | 2020 | Yes | 14.0 | 14 | 2013 |
19[26] | |
| One UI | Samsung Electronics Co., Ltd. | 2025 | Kernel only | 7.0 | 15 | 2019 |
Samsung Galaxy Smartphones and Tablets | Succeeding Samsung Experience UX and TouchWiz |
| OxygenOS | OnePlus | 2024 | Partial | 15.0 | 15 | 2015 |
OnePlus Android Smartphones | Merged with HydrogenOS in 2018.[27] Using ColorOS codebase from 12.0 release. |
| Paranoid Android | Paranoid Android Team | 2024 | Yes | Uvite | 14 | 2012[citation needed] |
31[28] | Based on CAF |
| Realme UI | Realme | 2024 | Kernel only | 6.0 | 15 | 2020 |
Realme devices | Based on ColorOS |
| Renati OS[29] |
Myntex Inc. |
2025 |
Kernel only |
14.1 |
14 |
2022 |
Supported Google Pixel devices |
Security focused |
| Replicant | Denis Carikli, Paul Kocialkowski | 2019 | Yes | 6.0 0003 | 6 | 2010 |
12[30] | Based on LineageOS, removes or replaces proprietary components and anti-features |
| Shift OS l |
SHIFT GmbH |
2025 (phone 8, 6mq, 5me, 6m) |
Yes |
|
14 (phone 8); 13 (6mq); 8.1 (5me, 6m) |
2018 |
4 / 5 (depends on count) |
|
| Shift OS G |
SHIFT GmbH |
2025 (phone 8, 6mq); 2023 (5me, 6m) |
Google Android |
|
14 (phone 8); 13 (6mq); 8.0 (5me, 6m) |
2018 |
4 / 5 (depends on count) |
|
| Discontinued |
| DivestOS[31] |
Tavi (SkewedZeppelin) |
2024 |
Yes |
20 |
13 |
2014 |
178[32] |
Soft fork of LineageOS. Includes Monthly Updates, FOSS Focus, Deblobbing, Security and Privacy focus, and F-Droid |
| AliOS | Alibaba Cloud | 2018 | Kernel only | 2.0 | 4.4 (?) | 2011 |
| A forked but incompatible version of Android[33] |
| AOKP | Team Kang | 2020 | Yes | Pie | 9 | 2011 |
115[34] | Based on LineageOS |
| Baidu Yi | Baidu, Inc. | 2015 | Kernel only | Unknown | 4 (?) | 2011 |
Discontinued in March 2015 |
|
| CyanogenMod | CyanogenMod Open-Source Community, Cyanogen Inc | 2016 | Yes | 14.1 Nightly | 7.1.1 | 2009 |
571[35] | CyanogenMod's official successor is LineageOS |
| EMUI | Huawei Technologies Co., Ltd. | 2024 | No | 15 | 12 | 2012 |
Huawei and Honor devices | Also known as Magic UI in most of the high-end Honor devices and the current Honor devices after it split with Huawei. |
| MIUI | Xiaomi Corporation | 2023 | Kernel only | 14.1 | 14 | 2010 |
Xiaomi, Redmi and POCO devices | Succeeded by Xiaomi HyperOS |
| LG UX | LG Electronics | 2023 | Kernel only | 10.0 | 13 | 2012 |
LG smartphones and tablets | Succeeding Optimus UI |
| LeWa OS |
Lewa Technology | ? | Kernel only |
OS 7 beta |
5.1.1 |
2011 |
|
|
| PixelExperience | PixelExperience Team | 2024 | Yes |
14 | 14 | 2017 |
100+[36] | Discontinued in April 2024, Android 14 is a beta |
| Resurrection Remix OS | Resurrection Remix Team | 2021 | Yes | 8.7.3 | 10 | 2012 |
74[37] | |
| SlimRoms |
SlimRoms Team |
2018 | Yes |
7 |
7.1 |
2012 |
~50 |
|
| Smartisan OS |
Smartisan |
2020 | Partial |
8.0 |
10 |
2012 |
15 |
|