| Name | Organization | Year Introduced | Notes | Still in use? |
| OnTheMap: Interactive tool for exploration of US income and commute patterns. | US Census Bureau | 2008 | First deployment of differential privacy | Yes |
| RAPPOR in Chrome Browser to collect security metrics | Google | 2014 | First widespread use of local differential privacy | No |
| Emoji analytics; analytics. Improve: QuickType, emoji; Spotlight deep link suggestions; Lookup Hints in Notes. Emoji suggestions, health type usage estimates, Safari energy drain statistics, Autoplay intent detection | Apple | 2017 | | Yes |
| Application telemetry | Microsoft | 2017 | Application usage statistics Microsoft Windows. | yes |
| Flex: A SQL-based system developed for internal Uber analytics | Uber | 2017 | | Unknown |
| 2020 Census | US Census Bureau | 2018 | | Yes |
| Audience Engagement API | LinkedIn | 2020 | | Yes |
| Labor Market Insights | LinkedIn | 2020 | | Yes |
| COVID-19 Community Mobility Reports | Google | 2020 | | Unknown |
| Advertiser Queries | LinkedIn | 2020 | | - |
| U.S. Broadband Coverage Data Set | Microsoft | 2021 | | Unknown |
| IRS and Dept. of Education | 2021 | | Unknown |
| Ohm Connect | Recurve | 2021 | | |
| Israeli Ministry of Health | 2024 | | Yes |
| Name | Developer | Year Introduced | Notes | Still maintained? |
| Google's differential privacy libraries | Google | 2019 | Building block libraries in Go, C++, and Java; end-to-end framework in Go,. | Yes |
| OpenDP | Harvard, Microsoft | 2020 | Core library in Rust, SDK in Python with an SQL interface. | Yes |
| Tumult Analytics | Tumult Labs | 2022 | Python library, running on Apache Spark. | Yes |
| PipelineDP | Google, OpenMined | 2022 | Python library, running on Apache Spark, Apache Beam, or locally. | Yes |
| PSI : A Private data Sharing Interface | Harvard University Privacy Tools Project. | 2016 | | No |
| TopDown Algorithm | United States Census Bureau | 2020 | Production code used in the 2020 US Census. | No |