There are 5050 size led lamp series 

SK6813HV-5050-09-6P(same work as ws2815)

https://www.rose-lighting.com/wp-content/uploads/sites/53/2020/08/SK6813HV-09-6P-REV.01-EN-5050-high-voltage.pdf

SK6812 5050 RGBW(same work as ws2812B)

https://www.rose-lighting.com/wp-content/uploads/sites/53/2020/05/SK6812RGBX-XX-REV.07-EN-5050-RGBW.pdf

sk6812-5050-RGB(same work as ws2812B)

https://www.rose-lighting.com/wp-content/uploads/sites/53/2019/11/sk6812-5050-led-chip-data-sheet.pdf

sk6812-5050-WWA(same work as ws2812B)

https://www.rose-lighting.com/wp-content/uploads/sites/53/2020/05/SK6812WWA-REV.03-EN-5050-double-CCT.pdf

sk9822-5050-RGB

https://www.rose-lighting.com/wp-content/uploads/sites/53/2020/05/SK9822-REV.07-EN-5050-RGB-4.6K-PWM-refresh-rate.pdf

sk9822A-5050RGB

https://www.rose-lighting.com/wp-content/uploads/sites/53/2020/05/SK9822-A-REV.01-EN-5050-RGB-27K-HZ-PWM-30M-bps-speed.pdf

HD107s-5050RGB

https://www.rose-lighting.com/wp-content/uploads/sites/53/2020/05/HD107S-5050-Specificaion-V1.0.1.pdf

HD108-5050RGB-(fastest 16bits 5050 RGB pixel led lamp)

https://www.rose-lighting.com/wp-content/uploads/sites/53/2021/03/HD108-5050-LED-Specificaion-V1.1.0-Rose-Lighting.pdf

3535  Size led lamp 

sk6812MINI-HS ( sk6812  3535 RGB pixel led lamp with high Bracket)

https://www.rose-lighting.com/products/digital-full-color-mini-hs-sk6812-3535-rgb-smd-pixel-led-chip-dc5v/

https://www.rose-lighting.com/wp-content/uploads/sites/53/2020/05/SK68XX-MINI-HS-REV.04-EN23535RGB-thick.pdf

sk6812MINI-3535-RGB (normal 3535 RGB pixel led lamp )

https://www.rose-lighting.com/wp-content/uploads/sites/53/2019/12/3535-SK6812.pdf

sk6812-MINI-RGBW

https://www.rose-lighting.com/wp-content/uploads/sites/53/2020/05/SK68XX-MINIW-XW-REV.02-EN-3535-RGBW.pdf

sk6813-3535RGB- 5V

https://www.rose-lighting.com/wp-content/uploads/sites/53/2021/05/6813-3535-dual-signal-RGB-pixel-led-lamp.pdf

4020   Size side viewing  led lamp 

sk6812SID-A ( Sk6812  4020 side viewing RGB pixel led lamp )

https://www.rose-lighting.com/products/digital-full-color-side-viewing-sk6812-4020-rgb-smd-led-chip-pixels-dc5v/

sk6812SID-RGBW (sk6812  4020 RGBW pixel led lamp)

https://www.rose-lighting.com/products/sk6805-side-viewing-rgbw-4020-pixel-led-chip-lamp/

1515  Size led lamp 

sk6805-EC15( sk6805 Mnin 1515 size RGB pixel led lamp)

https://www.rose-lighting.com/products/digital-full-color-mini-sk6812-1515-rgb-smd-led-chip-pixels-dc5v/

2427  Size led lamp 

sk6805MICRO-J( Mini sk6805 RGB 2527 pixel led lamp)

https://www.rose-lighting.com/products/digital-full-color-sk6805-2427-led-rgb-smd-led-chip-pixels-dc5v/

2020  Size led lamp 

sk9822-EC2020  (sk9822 2020  RGB pixel led lamp)

https://www.rose-lighting.com/products/addressable-digital-smart-mini-2020-pixel-led-chip-sk9822/

sk6805-EC20 ( sk6805 2020 RGB pixel led lamp)

https://www.rose-lighting.com/products/sk6812-2020led-rgb-smd-individually-addressable-digital-full-color-pixel-led-chip/

fastest HD107s 2020 RGB pixel led 

https://www.rose-lighting.com/products/fastest-8bit-rgb-pixel-2020-led-chip-hd107s-with-27kpwm-refresh-rate-and40m-oscillator-frequency-a-good-replacement-of-apa102-2020-led/

download the price list for these pixel led here please

https://www.rose-lighting.com/wp-content/uploads/sites/53/2021/05/Pricelist-for-Digital-leds-Rose-Lighting-5.101.pdf

More picture for 5050 Pixel led lamp here ,enjoy it please