That are focused on Privacy and not Data-Harvesting.
By switching to privacy-conscious services and platforms, users can protect their personal data from being harvested and sold, ensuring a more secure digital experience. Some that we have found are below. Do your research to find the best for services for you.

Web Browsers & Search Engines

Brave is a free, open-source browser that prioritizes user privacy. It blocks ads and trackers by default, preventing companies from collecting your browsing data. Additionally, Brave offers its own privacy-respecting search engine and features such as Brave Rewards and Tor browsing.

Vivaldi is a highly customizable browser that does not track user behavior. It only collects minimal system data for analytics and offers features like built-in ad blocking, tracker protection, and tab management enhancements.

Bromite is a free, open-source Chromium-based browser for Android that enhances privacy by removing Google’s tracking features. It includes built-in ad blocking and anti-fingerprinting protections.

DuckDuckGo is a privacy-focused search engine and browser that does not track your search history or collect personal data. It also offers a browser extension and mobile app with enhanced privacy protections.

Ungoogled-Chromium is a free, open-source version of Chromium that removes all Google services, enhancing privacy while maintaining compatibility with most web features.

Maps/Navigation

Maps.Me is a free, open-source navigation app for iOS and Android that offers offline maps and navigation with strong privacy protections.

OsmAnd is a free, open-source mapping application available on desktop and mobile that provides detailed offline maps, GPS navigation, and customizable layers while prioritizing user privacy.

Social Media

Bluesky is a decentralized social media platform created by Twitter’s former CEO, offering a Twitter-like experience without aggressive data collection.

Mastodon is a free, open-source, federated social network that allows users to join or create independent servers while maintaining a decentralized, privacy-focused environment.

Word Processing

OnlyOffice is a free, open-source office suite that provides collaborative document editing, spreadsheet management, and presentation tools.

Etherpad is a free, open-source, real-time collaborative text editor that allows multiple users to edit documents together without data harvesting.

GitBook is a documentation platform for teams to create, organize, and share technical documentation securely. However, it is not open-source.

Email

Proton Mail is a free, open-source secure email service based in Switzerland that protects user data with end-to-end encryption.

Tuta (formerly Tutanota) is a free, open-source encrypted email service offering end-to-end encryption and a privacy-first approach.

Chat & Messaging

Signal is a free, open-source, highly secure messaging app, offering end-to-end encryption and minimal data collection.

Session is a free, open-source, decentralized private messaging app that eliminates metadata collection and does not require a phone number.

Photo Storage

Stingle is a free, open-source encrypted photo storage app that ensures only users can access their media.

Ente is a free, open-source privacy-focused cloud storage platform for photos and videos with end-to-end encryption.

Immich is a free, open-source, self-hosted alternative to Google Photos with a focus on privacy and secure cloud storage.