Tools to manage databases, permissions, etc.

• hss - Never type the annoying ssh commands again.
• MongoHub - Native OSx client for mongo
• Robomongo - a cross platform Admin for MongoDB

Tools to benchmark your code or services

• apachebench (ab)
• boom
• httperf
• phantomas - website perf evaluation tool
• siege
• Vegeta
• wrk
• redis-faina Instagram's Redis counter/timing stats based on the MONITOR command

Tools for handling online and offline data

• s3cmd - the S3 CLI tool for Amazon

Tools for checking diagnosing your system while you work

• glances
• nmon
• gtop

Tools for improving and hacking around with your vanilla desktop

• Alfred - OSX productivity app /OSX/
• hydra - script your desktop
  /OSX/
• Keycastr - show your keys while
  presenting/casting /OSX/

Tools to document your project

• Log4brains - Docs-as-code knowledge base to manage Architecture Decision Records (ADR) for your project and publish them automatically as a static website.

• dotfiles.github.io - Collected dotfile resources. Has sections with dotfile bootstraps and lists of frameworks for various shells and editors.
• Zach Holman's - oh-my-zsh, osx, Zsh, vi, Ruby, Git, and more
• Mathias Bynens's - .files, including ~/.osx — sensible hacker defaults for OS X
• Thoughtbot's - A set of vim, zsh, git, and tmux configuration files
• Paul Miller's - Colourful & robust OS X configuration files and utilities

Only awesome tools and addons for your favorite editor

• atom-beautify - Beautify HTML (including Handlebars), CSS (including Sass and Less), JavaScript, and much more in Atom.
• file-icons - Adds file specific icons to atom for improved visual grepping.
• highlight-selected - Double click on a word to highlight it throughout the open file.
• minimap - A graphical map (preview) of the full source code.
• minimap-git-diff - A minimap binding for the Atom git-diff package.
• minimap-highlight-selected - A minimap binding for the highlight-selected package.
• atom-project-manager - Get easy access to all your projects and manage them with project specific settings and options.
• atom-tree-view-git-status - Show the Git repository status in the Atom tree-view.
• atom-pigments - An Atom package to display colors in project and files.

• Completor - async autocomplete with support for omni and semantic completion.
• Powerline - improved status bar for your buffers.
• snipmate - textual snippets compatiable with Textmate snippets.
• The Ultimate Vim Distribution - spf13-vim is a distribution of vim plugins and resources for Vim, GVim and MacVim.

• AdvancedNewFile - File creation plugin.
• Emmet
• Git Gutter - display changed/added lines in the margin of the editor window.
• jsFormat - Javascript formatting.
• LiveReload - LiveReload plugin.
• MarkdownEditing - Markdown syntax understanding and good color schemes.
• Package Control - The Sublime Text package manager.
• RubyTest - Plugin for running Ruby tests.
• Side Bar Enhancments - Enhancements to Sublime Text sidebar. Files and folders.
• Sublime Git - Git Integration for Sublime.
• Sublime Linter - Interactive code linting.
• TrailingSpaces - Highlight trailing spaces and delete them in a flash.

• keymap - a hybrid Vim/ReSharper/Intellij keymap

• Dev Git Repo - Github code repository for VS Code
• Monaco Editor Git Repo - Github code repository for underlying browser-based editor

Extensions

• VS Code Extension Marketplace - Official website for extensions
• Python extension - Official Python extension
• Sync settings - Excellent extension for settings and extension sync of your VS code setup

Tools and addons for making an awesome Git experience

• awesome-github - Faraz Fallahi maintains a curated list of GitHub & Git resources.
• gh - Fast GitHub command line client (hub port to Go)
• git-extra-commands - collected git helper scripts
• git-extras - GIT utilities -- repo summary, repl, changelog population, author commit percentages and more
• git-it-on - ZSH plugin, adds a gitit command that opens the current directory on github in your current branch
• git-secret - A bash-tool to store your private data inside a git repository.
• git-semver - A git plugin to make Semantic Versioning 2.0.0 and Change Log management easier.
• git-sweep - safely removes branches that have been merged into the master
• git-up - a better 'git pull'
• hub - git CLI wrapper which makes working with GitHub easier
• scm_breeze Streamline your git workflow
• tig - an ncurses-based text-mode interface for git

Useful tools that cannot find a home in other categories

• Fenix Web Server - A multi-host local static web server with push-button sharing (desktop app).
• ML Workspace - All-in-one web-based development environment for machine learning and data science.
• Mockoon - an API / HTTP REST mocking desktop application
• HTTP Toolkit - an HTTP inspection & debugging desktop application

Tools that notify developers about changes in their work environment

• CatLight - status notifier for developers. Checks the status of continuous delivery builds and shows desktop notifications.

Tools for orchestrating awesome development environments

• azk - a lightweight open source engine to orchestrate development environments
• Nanobox - A micro-PaaS (μPaaS) for creating consistent, isolated, development environments deployable anywhere https://nanobox.io.

Tools for presenting your work

• bespoke.js - DIY Presentation Micro-Framework
• hacker-slides - Reveal.js based presentation tool
• impress.js - presentation framework based on the power of CSS3 transforms and transitions
• mithril-slides - A Keynote-inspired presentation app written with Mithril
• remark - markdown based presentation on your browser
• reveal.js - markdown based presentation on your browser
• deck.js - markdown based presentation on your browser
• vimdeck - present inside your Vim
• WebSlides - Making HTML presentations easy

Tools for having an awesome shell environment

• awesome-zsh-plugins - List of zsh plugins usable with zgen and other oh-my-zsh compatible zsh frameworks
• fish-shell - The user-friendly command line shell
• hss - Never type the annoying ssh commands again.
• oh-my-fish - Framework for managing your fish shell configuration inspired by oh-my-zsh.
• oh-my-zsh - A community driven framework for managing zsh configuration.
• zgen - Faster framework for managing your zsh configuration, backward compatible with oh-my-zsh plugins
• zsh - A shell designed for interactive use, although it is also a powerful scripting language.
• shellcheck - Lint for shell. Will find deprecated and/or dangerous usage in shell scripts
• zsh quickstart kit - Quick intro for getting set up with zsh and zgen

Tools for working with text files - search, replace, processing

• ack - the Perl based
  better-than-grep tool.
• ag - A C based code-searching tool similar to ack, but faster
• peco - interactive filtering, like interactive Grep
• ripgrep - Faster than grep, written in Rust

Tools and addons for terminal and terminal work

• autojump - remembers your
  folders and jump to them based on partial recall (e.g. j proj will jump
  to /home/Users/yourself/projects.
• fasd Command-line productivity booster, offers quick access to files and directories.
• freshenv - Provision, share, manage local and cloud developer environments.
• homebrew - Makes it easy to install open source packages on an OS X system with a single command.
• hss - Never type the annoying ssh commands again.
• httpie A command line HTTP client, a user-friendly cURL replacement.
• iTerm2 - a great terminal replacement /OSX/
• jq - a lightweight and flexible command-line JSON processor
• oh-my-zsh - the
  incredible ZSH addon.
• Pipe Viewer - a tool for monitoring the progress of data through a pipeline
• tmux the awesome terminal multiplexer.
• zoxide - A better way to navigate your filesystem. Written in Rust, cross-shell, and much faster than other autojumpers.

Tools and addons which improve your daily workflow with code

• fswatch - a watch tool which
  will emit FS events and you can run commands on demand with. Note -
  fswatch-run too.
• guard - FS watch tool with a huge ecosystem of plugins
• just - A task runner for conveniently saving and running project-specific commands. Similar to make, but much nicer
• LiveReload - FS watch and preprocessor as a desktop app for /OSX/ and /WIN/ with complementary browser extensions
  • guard-livereload - Guard plugin compatible with LiveReload's browser extensions
  • simplehttp Fastest and simplest way to start serving a local directory over http.
• watchman - Facebook's better
  watch - note it works as a service.
• Zappr - GitHub integration built to enhance your project workflow via enable/disable pull request approval checks.
• ergo - The management of multiple local services running over different ports made easy.
• Prodmodel - Build tool for data science pipelines.
• Gebug - A tool that makes debugging of Dockerized Go applications super easy by enabling Debugger and Hot-Reload features, seamlessly.