Mac OS X Softwares to Free to play

Xonotic is a fast-paced, arena-style first-person shooter with a focus on pure competitive gameplay. It is free, open-source, and offers both single-player and robust multiplayer modes with a variety of weapons and game types.

Origin is Electronic Arts' official digital distribution platform, providing a central hub for purchasing, downloading, and managing a vast library of EA titles and select third-party games on PC. It offers features like cloud saves, automatic updates, achievement tracking, and social connectivity with friends.

Minetest is a free and open-source voxel game engine, similar to Minecraft. It allows users to build various structures, explore vast, procedurally generated worlds, and engage in survival-based gameplay or creative construction. Its strong emphasis on modding and community contributions provides a highly customizable and extendable experience.

League of Legends is a premier multiplayer online battle arena (MOBA) game where two teams of five players battle to destroy the opposing team's nexus. Players choose from a vast roster of champions, each with unique abilities and playstyles, engaging in strategic team fights and tactical maneuvers across a dynamic map. This competitive, free-to-play title emphasizes teamwork, skill progression, and constant evolution.

Unreal Tournament is a classic arena first-person shooter series emphasizing fast-paced multiplayer combat. Known for its intense gameplay, diverse weaponry, and iconic maps, it offers a pure and adrenaline-fueled gaming experience in both online and offline modes.

Team Fortress 2 is a highly acclaimed free-to-play team-based multiplayer first-person shooter celebrated for its distinct art style, diverse character classes, and engaging gameplay modes. It offers a deep strategic experience through teamwork and class specialization.

Steam is the leading digital distribution platform for PC gaming, offering a vast library of titles ranging from AAA blockbusters to indie gems. It provides a comprehensive ecosystem for gamers, featuring integrated chat, community features, achievements, and automatic game updates, alongside functionalities like controller support and streaming.

Cube 2: Sauerbraten is a fast-paced, Quake-inspired open-source first-person shooter with a unique in-game map editor and strong multiplayer focus. It emphasizes quick movement and tactical team-based gameplay.