Awesome
IDA-exportsymbols
IDA 7.0 plugin to export different symbols from ELF to txt and/or ELF file.
Idea taken from https://github.com/danigargu/syms2elf but written from scratch
Installation
Copy all files from plugin durectory to IDA plugin directory
Usage
Open and parse any ELF file. Then click "Edit->Plugins->Export symbols to file"