What are the popular SDLC methodologies?

[deepika-rajput-a9c8e139 (Deepika Rajput)]

What are the popular SDLC methodologies?

[anik-acharjee]

The popular SDLC methodologies are -

1. Agile.
2. Lean
3. Waterfall
4. Iterative
5. Spiral
6. DevOps