uCOS全家桶采用Apache2.0授权
有了这种授权，全家桶几乎可以随意商用，像RTX4和RTX5也是这个授权方式，FreeRTOS的授权方式是MIT。
1、在线文档：
https://doc.micrium.com/display/ucos/
2、论坛下载：
uC-USB-Device User Manual V4.05.pdf
(8.89 MB)
uC-USB-Device Reference Manual V4.05.pdf
(1.09 MB)
uC-Trace-UsersManual V1.0.pdf
(1.18 MB)
uC-TCP-IP User Manual V2.13.02.pdf
(4.07 MB)
uC-TCP-IP For STM32.pdf
(17.34 MB)
uC-Shell-User-Manual V1.03.00.pdf
(173.51 KB)
uC-OS-III_Performance-Optimization-Part-2-Final.pdf
(1.16 MB)
uC-OS-III_Performance-Optimization-Part-1-Final.pdf
(977.01 KB)
uC-OS-III_Conversion.pdf
(970.41 KB)
uC-OS-III_AN-Dynamic-Tick-Optimization-V1.0.pdf
(521.48 KB)
uC-OS-III_AN-Dynamic-Tick-BSP.pdf
(540.49 KB)
uC-OS-III User Manual V3.06.01.pdf
(5.27 MB)
uC-OS-III Reference Manual V3.06.01.pdf
(256.47 KB)
uC-OS-III API Reference V3.06.01.pdf
(775.69 KB)
uC-OS-II User Manual.pdf
(9.81 MB)
uC-OS-II Kernel Second Edition.pdf
(4.1 MB)
uC-OS-II API Reference V2.90.pdf
(1.1 MB)
uC-Modbus 2.13.00.pdf
(690.24 KB)
uC-LCD-Manual V2.11.pdf
(359.26 KB)
uC-FS User Manual V4.07.00.pdf
(3.04 MB)
uC-Clk-Manual V3.09.03.pdf
(333.93 KB)
uC-CAN_manual V2.4.1.pdf
(221.51 KB)
3、百度云下载：
链接：https://pan.baidu.com/s/1-LtUpDBNGhs67hJj3iNMPg 提取码：0msk
4、腾讯云下载：
链接：https://share.weiyun.com/5Kff298 密码：fna2n6
5、GitHub列表：
https://github.com/SiliconLabs/uC-TFTPs
https://github.com/SiliconLabs/uC-TFTPc
https://github.com/SiliconLabs/uC-TELNETs
https://github.com/SiliconLabs/uC-HTTP
https://github.com/SiliconLabs/uC-SNTPc
https://github.com/SiliconLabs/uC-SMTPc
https://github.com/SiliconLabs/uC-MQTT
https://github.com/SiliconLabs/uC-IPerf
https://github.com/SiliconLabs/uC-FTPs
https://github.com/SiliconLabs/uC-FTPc
https://github.com/SiliconLabs/uC-DNSc
https://github.com/SiliconLabs/uC-DHCPc
https://github.com/SiliconLabs/uC-Modbus
https://github.com/SiliconLabs/uC-OS3
https://github.com/SiliconLabs/uC-OS2
https://github.com/SiliconLabs/uC-USBD
https://github.com/SiliconLabs/uC-USBH
https://github.com/SiliconLabs/uC-TCP-IP
https://github.com/SiliconLabs/uC-Shell
https://github.com/SiliconLabs/uC-LIB
https://github.com/SiliconLabs/uC-FS
https://github.com/SiliconLabs/uC-CRC
https://github.com/SiliconLabs/uC-CPU
https://github.com/SiliconLabs/uC-Common
https://github.com/SiliconLabs/uC-Clk