Batfish is a network configuration analysis tool that can find bugs and guarantee the correctness of (planned or current) network configurations. It enables network engineers to rapidly and safely evolve their network, without fear of outages or security breaches.

Quick and reliable way to convert NGINX configurations into JSON and back.

A configuration editing tool and API

A simple configuration parser for Python

Essential light-weight portable C++ 11 library dealing with images/files/systems for researches and demos

go implementation of lightbend's HOCON configuration library https://github.com/lightbend/config

DirectFire Firewall Converter - Network Security Firewall Configuration / Syntax Conversion and Migration Tool - supports Cisco ASA, Fortinet FortiGate, Juniper SRX (JunOS) and WatchGuard (with wider support in development). Like FortiConverter, SmartMove, Expedition etc. Previously OpenFireVert.

Golang configuration parser. This package allow to work with flags, environment variables, external sources (json configuration file e.g.).

Python library for loading settings and config data from files and environment variables

A *very* simple and *lightweight* configuration loader and parser for Python.

High level Python development library

Configuration File Library for LabVIEW

Providing support for configuration files while parsing command-line arguments

A barebones configuration file made for low-dependency rust applications.

Java numerical classes for astronomy and beyond

A simple configuration file parser in C

Automated Management with Environment Representation ; setup a fully-featured linux system from 1 file

Python library to dynamically parse and edit configuration files with support for subsections.

taking a configuration block, and then building fields based on that block

High level C++ development library

C library for parsing command line option and configuration files.

A simple, lightweight utility to validate and parse values from the Java Properties file.

Class Project - Implementation of a configuration parser using ADA83.

resolve configurations from abstract hierarchies and templates

Config is a very minimalisc config class, which allows to parse simple Key-Value pairs from a text file.

a block-style configuration with Pure Perl values that fires events when values are altered

A c library for parsing an ini-style configuration file.

a fork of HAProxy configuration parser haphproxy for PHP

XML configuration parser for WatchGuard firewalls