The best replacement for wood posts is metal posts.

The best alternatives to wood posts are rated as following:
★★★★★  metal posts
★  steel posts

Your alternative for wood posts is not listed? Suggest!
Speaking about wood posts, one probably shouldn't forget about chain link fence.

Other search terms related to wood posts and their ratings are:
★★★★★ chain link fence
★★★★ welded wire
You have in mind a companion for wood posts and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of wood posts in all years. Click on graph for more.
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