This dissertation research titled "Online communication and mobilization throughout the COVID-19 pandemic: The case of the Colombian non-governmental sector" examines Colombia as a distinctive case in Latin America and the Caribbean, marked by overlapping economic, social, and political crises and a recent shift toward a progressive government. The escalation of these crises, intensified by the COVID-19 pandemic, culminated in mass protests in 2020–2021 that combined street demonstrations with the growing use of Information and Communication Technologies (ICTs).