Notepad++

Notepad++ is a free, open‑source source code editor built for the Microsoft Windows operating system, offering a lightweight alternative to full‑featured integrated development environments. It provides syntax highlighting and folding for more than eighty programming and markup languages, enabling users to read and navigate code structures with visual cues. The editor includes powerful search and replace capabilities that support regular expressions, as well as macro recording and playback for automating repetitive editing tasks. Users can split the editing pane into multiple views, drag and drop files between instances, and customize the toolbar, shortcuts, and language menus to suit individual workflows. Notepad++ also supports Unicode encoding, allowing it to handle text in virtually any language, and provides a portable version that can run from a USB drive without installation. Its core editing engine is based on the Scintilla component, which contributes to its responsive performance and low memory consumption.

The project has cultivated a sizable, international user base that relies on Notepad++ for everyday programming, web development, and general text editing tasks. While exact download figures are not disclosed in the supplied sources, the editor’s presence on major software distribution platforms and its frequent recommendation in developer communities indicate a broad reach across various industries and regions. Notepad++ is released under the GNU General Public License, which guarantees that the source code remains freely available for inspection, modification, and redistribution, fostering a collaborative development model. The software has been translated into dozens of languages by volunteer contributors, making it accessible to non‑English speakers worldwide. Over the years, a vibrant ecosystem of third‑party plugins has emerged, extending functionality with features such as FTP synchronization, code snippets, and advanced language support.

Distinguishing attributes of Notepad++ include its plugin architecture, which lets users add new capabilities without altering the core binary, and its emphasis on simplicity and speed, resulting in quick launch times and minimal resource usage. Notable events in its history include a 2025 supply‑chain attack in which adversaries compromised the update mechanism to distribute a custom backdoor alongside Cobalt Strike and Metasploit payloads, and a 2015 website defacement by an ideologically motivated hacking group responding to the release of a “Je suis Charlie” edition. Structurally, Notepad++ is maintained by its original creator, Don Ho, together with a global volunteer contributor base; it does not operate under a parent company or subsidiary structure, and its headquarters are situated in France. The project’s governance remains community‑driven, with decisions made through consensus among active developers and users.