# SILVA or Greengene

**URL:** https://forum.qiime2.org/t/silva-or-greengene/15789
**Category:** General Discussion
**Created:** [July 21, 2020, 2:04pm UTC](https://forum.qiime2.org/t/silva-or-greengene/15789 "2020-07-21T14:04:50Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![SoilRotifer](https://forum.qiime2.org/user_avatar/forum.qiime2.org/soilrotifer/32/21071_2.png) [@SoilRotifer](https://forum.qiime2.org/u/SoilRotifer)
#### Post date: [July 21, 2020, 7:43pm UTC](https://forum.qiime2.org/t/silva-or-greengene/15789/3 "2020-07-21T19:43:04Z")

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Hi @farhad1990,

I just wanted to add that we've recently made it _much easier_ for you to make your own SILVA classifier. Check out the RESCRIPt tutorial:

> [@Processing, filtering, and evaluating the SILVA database (and other reference sequence data) with RESCRIPt](https://forum.qiime2.org/t/processing-filtering-and-evaluating-reference-sequence-data-with-rescript/15494):
>
> construction Please consider this tutorial a living document, which may change based upon community feedback and ongoing plugin development. RESCRIPt [RESCRIPt](https://github.com/bokulich-lab/RESCRIPt) (REference Sequence annotation and CuRatIon Pipeline) is a python package and QIIME 2 plugin for formatting, managing, and manipulating sequence reference databases. This package was designed for compiling, manipulating, and evaluating sequence reference databases from SILVA, NCBI, Greengenes, GTDB, and other sources, and for construc…

-Best wishes!  
-Mike

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