Open Index Timeline

Explore open knowledge over time

The Open Index Timeline provides an interactive view of selected milestones and landmark reports that have influenced the development of open scholarship over roughly the past two decades.

Drawn from the Open Index Tracker, the timeline offers a chronological way to explore developments in open research, open access, open science and related practices and see how the landscape has changed over time.

2026
  • Open Access Publishing
2025
  • Data Sharing and Reuse
  • Open Access Publishing
2024
  • Open Access Publishing
  • Open Infrastructure
  • Open Infrastructure
2023
  • Data Sharing and Reuse
  • Open Science Implementation
  • Open Access Publishing
  • Data Sharing and Reuse
2022
  • Open Science Implementation
  • Open Access Publishing
  • Data Sharing and Reuse
2021
  • Open Science Implementation
  • Open Science Training and Education
2020
  • Data Sharing and Reuse
  • Open Access Publishing
  • Data Sharing and Reuse
2019
  • Open Source
  • Open Access Publishing
  • Open Science Implementation
2018
2017
  • Community and Citizen Science
2016
  • Data Sharing and Reuse
2015–2014
2013
  • Data Sharing and Reuse
  • Transparent and Reproducible Research
  • Open Infrastructure
2012
  • Open Science Implementation
2011–2009
2008
  • Open Access Publishing
  • Open Access Publishing
2007
  • Data Sharing and Reuse
  • Open Educational Resources
2006
  • Data Sharing and Reuse
  • Transparent and Reproducible Research
  • Open Science Implementation
  • Open Infrastructure
2005–2004
2003
  • Open Access Publishing
2002
  • Open Access Publishing
  • Open Infrastructure
2001
  • Open Educational Resources
2000
1999
  • Open Infrastructure
1998–1997
1996
  • Open Infrastructure
1995–1992
1991
  • Open Access Publishing
1990
1989
  • Open Source