Jitsi is a free and open-source communication platform that allows for secure video, voice, and text communication. It provides users with the ability to hold meetings, webinars, and conferences, share files, and collaborate in real-time. Jitsi uses end-to-end encryption for secure communication and has a range of features including screen sharing, whiteboarding, and recording options. Its ease of use, flexibility, and reliability has made it a popular choice for individuals, businesses, and organizations looking for an alternative to traditional video conferencing solutions. Jitsi is available on multiple platforms including iOS, Android, and web browsers, and is free to use without any restrictions or limits.