giving me 20 linkers in colloquial English

Sure! Here are 20 linkers in colloquial English:

1. Anyway
2. So
3. Well
4. Actually
5. Basically
6. Like
7. You know
8. I mean
9. Honestly
10. By the way
11. In fact
12. As I was saying
13. On the other hand
14. As a result
15. At the end of the day
16. To be honest
17. In my opinion
18. All things considered
19. In a nutshell
20. To sum up

Please note that the use of colloquial linkers may vary depending on the context and audience.