Cross-category timeline
How software got here, one milestone at a time
158 dated milestones from 8 categories, each sourced on the page it comes from. Filter by era to see the same pattern repeat: a decade of SaaS, a few years of copilots, then agents in under two.
158 milestones
1980
WordStar MailMerge brings mail merge to microcomputerssource
On-prem · Customer Onboarding Email
1990
Remedy Corporation founded in Mountain Viewsource
On-prem · Help Desk and Ticketing
1991
Remedy ships the Action Request Systemsource
On-prem · Help Desk and Ticketing
1992
Intuit releases QuickBooks for DOSsource
On-prem · Invoicing and Accounts Payable
SAP launches R/3, the client-server ERP that ran AP for large enterprisessource
On-prem · Invoicing and Accounts Payable
1994
Check Point ships FireWall-1, the first commercial stateful firewallsource
On-prem · Firewall and Network Security
1995
Roving Software, later Constant Contact, is founded to sell email newsletters to small businessessource
On-prem · Customer Onboarding Email
1996
Microsoft introduces IntelliSense in Visual Basic 5.0source
On-prem · Coding Assistants and IDEs
1997
Microsoft ships Visual Studio 97source
On-prem · Coding Assistants and IDEs
1998
NetLedger, later NetSuite, is founded to run accounting in the browsersource
On-prem · Invoicing and Accounts Payable
1999
NetSaint, the project that became Nagios, ships its first releasesource
On-prem · Incident Management and On-Call
2000
Active Directory ships with Windows 2000 Serversource
ExactTarget is founded in Indianapolis as a subscription email marketing servicesource
On-prem · Customer Onboarding Email
2001
Mailchimp launches as a hosted email servicesource
SaaS and cloud · Customer Onboarding Email
SpamAssassin first released by Justin Masonsource
On-prem · Email Security
Eclipse 1.0 released as open sourcesource
On-prem · Coding Assistants and IDEs
2002
BMC Software buys Remedy from bankrupt Peregrine Systemssource
On-prem · Help Desk and Ticketing
NetSaint is renamed Nagiossource
On-prem · Incident Management and On-Call
Sarbanes-Oxley Act signed, making internal control reporting mandatory for US public companiessource
On-prem · SOC 2 and Compliance Automation
SAML 1.0 adopted as an OASIS standardsource
2003
Google starts its Site Reliability Engineering team under Ben Treynor Slosssource
On-prem · Incident Management and On-Call
2004
CAN-SPAM Act takes effect in the United Statessource
SaaS and cloud · Customer Onboarding Email
PCI DSS 1.0 released by the card brandssource
On-prem · SOC 2 and Compliance Automation
2005
Gartner analysts coin the term SIEMsource
On-prem · SIEM and SOC Platforms
SAML 2.0 becomes an OASIS standardsource
Cisco launches the ASA 5500 to replace PIXsource
On-prem · Firewall and Network Security
2006
Bill.com is founded as Cashboard by René Lacertesource
SaaS and cloud · Invoicing and Accounts Payable
SPF published as experimental RFC 4408source
On-prem · Email Security
2007
Palo Alto Networks releases its first next-generation firewallsource
SaaS and cloud · Firewall and Network Security
Zendesk launches its browser-based help desksource
SaaS and cloud · Help Desk and Ticketing
Cisco agrees to acquire IronPort for $830 millionsource
On-prem · Email Security
Google agrees to buy Postini for $625 millionsource
SaaS and cloud · Email Security
2008
The Peppol e-procurement project starts under the EU Competitiveness and Innovation Programmesource
SaaS and cloud · Invoicing and Accounts Payable
Stack Overflow launchessource
SaaS and cloud · Coding Assistants and IDEs
2009
Okta founded (as SaaSure)source
SaaS and cloud · Identity and Access Management (IAM and CIAM)
PagerDuty is foundedsource
SaaS and cloud · Incident Management and On-Call
2010
Freshdesk founded in Chennai, later renamed Freshworkssource
SaaS and cloud · Help Desk and Ticketing
EMC agrees to acquire Archer Technologies and folds it into RSAsource
On-prem · SOC 2 and Compliance Automation
Forrester publishes the zero trust modelsource
SaaS and cloud · Firewall and Network Security
HP closes its $1.5 billion ArcSight acquisitionsource
On-prem · SIEM and SOC Platforms
2011
SSAE 16 takes effect and AICPA SOC 2 reports replace SAS 70 for service providerssource
On-prem · SOC 2 and Compliance Automation
IBM completes Q1 Labs acquisition and builds its security division on QRadarsource
On-prem · SIEM and SOC Platforms
2012
OAuth 2.0 published as RFC 6749source
SaaS and cloud · Identity and Access Management (IAM and CIAM)
2013
Salesforce completes its acquisition of ExactTargetsource
SaaS and cloud · Customer Onboarding Email
Splunk Cloud becomes generally availablesource
SaaS and cloud · SIEM and SOC Platforms
2014
Zendesk goes public on the NYSEsource
SaaS and cloud · Help Desk and Ticketing
OpenID Connect Core 1.0 finalizedsource
SaaS and cloud · Identity and Access Management (IAM and CIAM)
Google publishes BeyondCorpsource
SaaS and cloud · Firewall and Network Security
2015
DMARC published as RFC 7489source
SaaS and cloud · Email Security
Microsoft announces Exchange Online Advanced Threat Protectionsource
SaaS and cloud · Email Security
Microsoft announces Visual Studio Code at Buildsource
SaaS and cloud · Coding Assistants and IDEs
2016
Google's Site Reliability Engineering book is publishedsource
SaaS and cloud · Incident Management and On-Call
Atlassian acquires Statuspagesource
SaaS and cloud · Incident Management and On-Call
Oracle completes its acquisition of NetSuite for about $9.3 billionsource
SaaS and cloud · Invoicing and Accounts Payable
2017
Zendesk introduces Answer Bot inside Guidesource
AI-assisted · Help Desk and Ticketing
2018
Vanta founded to automate SOC 2 evidence collectionsource
SaaS and cloud · SOC 2 and Compliance Automation
Splunk closes its Phantom SOAR acquisitionsource
SaaS and cloud · SIEM and SOC Platforms
GDPR applies across the EU, making consent part of every signup flowsource
SaaS and cloud · Customer Onboarding Email
Microsoft agrees to acquire GitHub for $7.5 billionsource
SaaS and cloud · Coding Assistants and IDEs
Splunk agrees to acquire VictorOps for about $120 millionsource
SaaS and cloud · Incident Management and On-Call
Atlassian agrees to acquire Opsgenie and launches Jira Opssource
SaaS and cloud · Incident Management and On-Call
Intercom ships Answer Botsource
AI-assisted · Help Desk and Ticketing
2019
Gartner coins SASEsource
SaaS and cloud · Firewall and Network Security
Chronicle launches Backstory, a cloud security telemetry platformsource
SaaS and cloud · SIEM and SOC Platforms
WebAuthn Level 1 becomes a W3C Recommendationsource
SaaS and cloud · Identity and Access Management (IAM and CIAM)
PagerDuty lists on the New York Stock Exchangesource
AI-assisted · Incident Management and On-Call
Azure Sentinel becomes generally availablesource
SaaS and cloud · SIEM and SOC Platforms
Bill.com lists on the NYSE under the ticker BILLsource
SaaS and cloud · Invoicing and Accounts Payable
2020
Drata founded around continuous SOC 2 monitoringsourcebeing verified
SaaS and cloud · SOC 2 and Compliance Automation
Intercom launches Resolution Botsource
AI-assisted · Help Desk and Ticketing
Tipalti introduces Tipalti Pi, AI for accounts payablesource
AI-assisted · Invoicing and Accounts Payable
NIST publishes SP 800-207 Zero Trust Architecturesource
AI-assisted · Firewall and Network Security
2021
Okta completes $6.5 billion Auth0 acquisitionsource
AI-assisted · Identity and Access Management (IAM and CIAM)
GitHub Copilot technical preview announcedsource
AI-assisted · Coding Assistants and IDEs
Thoma Bravo completes $12.3 billion Proofpoint acquisitionsource
AI-assisted · Email Security
Apple ships Mail Privacy Protection with iOS 15, breaking open trackingsource
AI-assisted · Customer Onboarding Email
2022
Gartner names ITDR a top security trendsourcebeing verified
AI-assisted · Identity and Access Management (IAM and CIAM)
Apple, Google and Microsoft commit to passkeyssource
AI-assisted · Identity and Access Management (IAM and CIAM)
Permira completes $5.8 billion Mimecast acquisitionsource
AI-assisted · Email Security
GitHub Copilot becomes generally availablesource
AI-assisted · Coding Assistants and IDEs
OpenAI releases ChatGPTsource
AI-assisted · Coding Assistants and IDEs
Zendesk taken private in a $10.2 billion dealsource
AI-assisted · Help Desk and Ticketing
2023
Thoma Bravo completes its roughly $8 billion acquisition of Coupasource
AI-assisted · Invoicing and Accounts Payable
Intercom launches Fin on GPT-4source
Agentic · Help Desk and Ticketing
Microsoft announces Security Copilotsource
AI-assisted · SIEM and SOC Platforms
CrowdStrike introduces Charlotte AIsource
AI-assisted · SIEM and SOC Platforms
Secureframe launches Comply AI for remediationsource
AI-assisted · SOC 2 and Compliance Automation
Azure AD renamed Microsoft Entra IDsource
AI-assisted · Identity and Access Management (IAM and CIAM)
Dell Technologies completes its acquisition of Moogsoftsource
AI-assisted · Incident Management and On-Call
Intuit Mailchimp launches Intuit Assist for generative email contentsource
AI-assisted · Customer Onboarding Email
Google announces bulk sender authentication rules for Gmailsource
AI-assisted · Email Security
ISO/IEC 42001, the AI management system standard, is publishedsource
AI-assisted · SOC 2 and Compliance Automation
2024
FBI IC3 records $2.77 billion in business email compromise lossessource
AI-assisted · Invoicing and Accounts Payable
CISA issues Emergency Directive 24-01 on Ivanti Connect Securesource
AI-assisted · Firewall and Network Security
Gmail starts enforcing authentication and one-click unsubscribe for bulk senderssource
Agentic · Customer Onboarding Email
Cisco completes its acquisition of Splunksource
AI-assisted · SIEM and SOC Platforms
Cognition introduces Devin as an AI software engineersource
AI-assisted · Coding Assistants and IDEs
PAN-OS GlobalProtect CVE-2024-3400 exploited as a zero day; Cisco unveils Hypershieldsource
AI-assisted · Firewall and Network Security
Abnormal launches AI Security Mailbox for autonomous report triagesource
Agentic · Email Security
Palo Alto Networks launches Strata Copilot powered by Precision AIsource
AI-assisted · Firewall and Network Security
EU AI Act enters into forcesource
AI-assisted · SOC 2 and Compliance Automation
Zendesk switches AI agents to outcome-based pricingsource
Agentic · Help Desk and Ticketing
HubSpot launches Breeze with four Breeze Agents at INBOUND 2024source
Agentic · Customer Onboarding Email
Palo Alto Networks closes acquisition of IBM QRadar SaaS assetssource
AI-assisted · SIEM and SOC Platforms
Salesforce makes Agentforce Service Agent generally availablesource
Agentic · Help Desk and Ticketing
2025
Anthropic previews Claude Code with Claude 3.7 Sonnetsource
Agentic · Coding Assistants and IDEs
CrowdStrike makes Charlotte AI Detection Triage generally availablesource
Agentic · SIEM and SOC Platforms
Drata agrees to acquire trust center vendor SafeBasesource
Agentic · SOC 2 and Compliance Automation
EU Council adopts VAT in the Digital Age, setting mandatory intra-EU e-invoicing for 2030source
Agentic · Invoicing and Accounts Payable
Gartner predicts agentic AI will resolve 80% of common service issues by 2029source
Next 5 years · Help Desk and Ticketing
MCP specification adds OAuth 2.1 based authorizationsource
Microsoft announces Security Copilot agents, including the Phishing Triage Agentsource
Agentic · SIEM and SOC Platforms
Microsoft announces Security Copilot Phishing Triage Agentsource
Agentic · Email Security
Conveyor introduces Sue, an AI agent for customer security reviewssource
Agentic · SOC 2 and Compliance Automation
Sublime releases Autonomous Security Analyst (ASA)sourcebeing verified
Agentic · Email Security
Microsoft announces Entra Agent ID in previewsource
OpenAI launches Codex cloud agent as a research previewsource
Agentic · Coding Assistants and IDEs
Atlassian stops selling Opsgeniesource
Agentic · Incident Management and On-Call
Salesforce makes Marketing Cloud Next and Agentforce Campaign Creation generally availablesource
Agentic · Customer Onboarding Email
Traversal launches its AI SRE with a $48 million seed and Series Asource
Agentic · Incident Management and On-Call
Vanta launches the Vanta AI Agentsource
Agentic · SOC 2 and Compliance Automation
Cognition agrees to acquire Windsurf after Google hires its founderssource
Agentic · Coding Assistants and IDEs
incident.io opens early access to its AI SREsource
Agentic · Incident Management and On-Call
Cisco announces a Splunk Triage Agent slated for 2026source
Next 5 years · SIEM and SOC Platforms
GitHub Copilot coding agent becomes generally availablesource
Agentic · Coding Assistants and IDEs
Proofpoint announces Satori Agents, including an Abuse Mailbox Agentsource
Agentic · Email Security
Sublime announces Autonomous Detection Engineer (ADÉ)source
Agentic · Email Security
Tipalti relaunches Tipalti AI around agentssource
Agentic · Invoicing and Accounts Payable
BILL launches its W-9 Agent and Reconciliation Agentsource
Agentic · Invoicing and Accounts Payable
PagerDuty SRE Agent becomes generally availablesource
Agentic · Incident Management and On-Call
Palo Alto Networks launches Cortex AgentiX as the successor to XSOARsource
Agentic · SIEM and SOC Platforms
Palo Alto Networks launches Cortex AgentiX with a Network Security Agentsource
Agentic · Firewall and Network Security
Ramp launches Agents for AP for coding, approvals and paymentsource
Agentic · Invoicing and Accounts Payable
Auth0 for AI Agents reaches general availabilitysource
Datadog launches Bits AI SREsource
Agentic · Incident Management and On-Call
2026
Freshworks closes its acquisition of FireHydrantsource
Agentic · Incident Management and On-Call
Gmail launches AI Inbox and AI Overviews powered by Geminisource
Next 5 years · Customer Onboarding Email
Basware announces a Supplier Agent and AP Pro Agent behind autonomy gatessource
Agentic · Invoicing and Accounts Payable
Palo Alto Networks completes CyberArk acquisitionsource
Palo Alto Networks completes its $25 billion CyberArk acquisitionsource
Agentic · SIEM and SOC Platforms
Palo Alto Networks completes its CyberArk acquisitionsource
Agentic · Firewall and Network Security
AWS DevOps Agent becomes generally availablesource
Agentic · Incident Management and On-Call
Vanta, Drata and Sprinto launch agentic compliance and trust workflowssource
Agentic · SOC 2 and Compliance Automation
Zendesk completes its acquisition of Forethoughtsource
Agentic · Help Desk and Ticketing
Customer.io ships its AI Agent, LLM Actions and Goalssource
Agentic · Customer Onboarding Email
Check Point launches Agentic Network Security Orchestrationsource
Agentic · Firewall and Network Security
DMARC moves to the IETF Standards Track as RFC 9989source
Agentic · Email Security
EU lawmakers reach provisional deal to delay high-risk AI Act obligations to December 2027source
Next 5 years · SOC 2 and Compliance Automation
Cognition renames Windsurf as Devin Desktopsource
Agentic · Coding Assistants and IDEs
Hightouch launches Lifecycle Studio for agent-built cross-channel campaignssource
Next 5 years · Customer Onboarding Email
Cato launches Agentic Threat Preventionsource
Agentic · Firewall and Network Security
Gartner survey finds 87% of customers want access to a human when GenAI handles servicesource
Next 5 years · Help Desk and Ticketing
SpaceX completes its acquisition of Cursorsource
Agentic · Coding Assistants and IDEs
2027
Cylake, founded by Nir Zuk, targets commercial availability of its agentic platformsourcebeing verified
Next 5 years · Firewall and Network Security
Mimecast Agent Risk Center GA planned for Incydr customerssource
Next 5 years · Email Security
Opsgenie support ends and access shuts offsource
Next 5 years · Incident Management and On-Call
EU AI Act obligations for stand-alone high-risk systems scheduled to applybeing verified
Next 5 years · SOC 2 and Compliance Automation
2030
ViDA digital reporting and intra-EU e-invoicing take effectsource
Next 5 years · Invoicing and Accounts Payable