This chapter discusses how the Internet of Thing (IoT) and Machine-to-Machine (M2M) technologies integrate with satellite communication systems, underlining how these advancements are transforming industries and improving worldwide connectivity. Internet of Thing (IoT) refers to the interconnection of things or physical objects, while M2M enables direct, human-free communication between devices. Integration of all these three technologies may provide numerous benefits, such as network resiliency, global coverage, and scalability. This integration enables real-time data exchange in remote and challenging environments where transformed procedures like asset tracking, disaster management, and environmental monitoring. It also altered industries like agriculture and energy. The chapter highlights the role that satellite-based IoT and M2M applications play in providing reliable communication, closing the digital divide, and enabling access in underserved areas. Future advancements in the industry, such as Low Earth Orbit (LEO) satellite constellations, AI integration, and quantum communication, have a great deal of promise. Moreover, revolutionized industries like agriculture and energy, and processes such as environmental monitoring, asset tracking, and disaster management. The chapter emphasizes the significance of satellite-based IoT and M2M applications in bridging the digital divide, empowering underserved regions with connectivity, and offering robust communication. Future developments, such as LEO satellite constellations, artificial intelligence integration, and quantum communication, hold immense promise for further enhancing the field. Additionally, energy harvesting, multi-modal connectivity, and collaborative satellite networks offer new dimensions to the realm of connected and intelligent systems. Ultimately, satellite-based IoT and M2M applications are poised to drive socio-economic development, improve safety, and enable sustainable practices across various sectors. With emerging technologies reshaping the future of connectivity and exploration, this chapter outlines the transformative potential of satellite-based IoT and M2M applications in fostering a more connected and intelligent world.