The Linux Foundation subject lines
75 subject lines averaging 63 characters.
| Picture | Sent (Eastern) | Subject | Characters | Preview text | |
|---|---|---|---|---|---|
| Jul 1, 2026 11:02 AM | 4️⃣ tracks. 3️⃣ days. Here's what's waiting for you in San Jose! | 60 | OpenSearchCon North America 2026 | Explore the Tracks 96 Register for OpenSearchCon North… | Jul 1, 2026 11:02 AM · 60 characters. OpenSearchCon North America 2026 | Explore the Tracks 96 Register for OpenSearchCon North… | |
| Jun 24, 2026 11:00 AM | 👀 7️⃣ Sessions to See at OpenSearchCon North America | 50 | OpenSearchCon North America 2026 | Session Highlights 96 Register Now and Save | Sept… | Jun 24, 2026 11:00 AM · 50 characters. OpenSearchCon North America 2026 | Session Highlights 96 Register Now and Save | Sept… | |
| Jun 23, 2026 11:07 AM | 📣 Register Now for AGNTCon + MCPCon North America + SAVE! | 57 | AGNTCon MCPCon North America Early Bird Registration Live 96 The Agentic Stack Is Being… | Jun 23, 2026 11:07 AM · 57 characters. AGNTCon MCPCon North America Early Bird Registration Live 96 The Agentic Stack Is Being… | |
| Jun 16, 2026 12:07 PM | Last Chance to Join Us at Confidential Computing Summit | 55 | Last Chance to Join Us at Confidential Computing Summit 96 Browse the schedule, meet… | Jun 16, 2026 12:07 PM · 55 characters. Last Chance to Join Us at Confidential Computing Summit 96 Browse the schedule, meet… | |
| Jun 16, 2026 11:12 AM | 5 Days Left: Speak at a CNCF Co-Located Event + Maintainer Summit Is Live | 74 | Days Left: Speak at a CNCF Co-Located Event + Maintainer Summit Is Live 96 CFPs close June… | Jun 16, 2026 11:12 AM · 74 characters. Days Left: Speak at a CNCF Co-Located Event + Maintainer Summit Is Live 96 CFPs close June… | |
| Jun 10, 2026 12:08 PM | See Who You'll Be Joining at Confidential Computing Summit | 58 | See Who You'll Be Joining at Confidential Computing Summit 96 Connect with the people… | Jun 10, 2026 12:08 PM · 58 characters. See Who You'll Be Joining at Confidential Computing Summit 96 Connect with the people… | |
| Jun 4, 2026 10:59 AM | 📣 OpenSearchCon North America: Schedule Announced! | 50 | OpenSearchCon North America 2026 Schedule Announced 96 See sessions for San Jose, Sept… | Jun 4, 2026 10:59 AM · 50 characters. OpenSearchCon North America 2026 Schedule Announced 96 See sessions for San Jose, Sept… | |
| Jun 3, 2026 11:08 AM | 5 Days Left to Submit to Speak: AGNTCon + MCPCon North America! | 63 | AGNTCon + MCPCon North America Last Chance to Submit to Speak 96 CFP Closes June 7 | Speak… | Jun 3, 2026 11:08 AM · 63 characters. AGNTCon + MCPCon North America Last Chance to Submit to Speak 96 CFP Closes June 7 | Speak… | |
| Jun 2, 2026 12:08 PM | 5 Reasons You Need to Be at Confidential Computing Summit 2026 | 62 | Reasons You Need to Be at Confidential Computing Summit 2026 96 Connect with the people… | Jun 2, 2026 12:08 PM · 62 characters. Reasons You Need to Be at Confidential Computing Summit 2026 96 Connect with the people… | |
| May 28, 2026 4:17 PM | Confidential Computing Summit: New Keynotes from Apple, Anthropic & More | 73 | Confidential Computing Summit: New Keynotes from Apple, Anthropic & More 96 Join June… | May 28, 2026 4:17 PM · 73 characters. Confidential Computing Summit: New Keynotes from Apple, Anthropic & More 96 Join June… | |
| May 27, 2026 11:04 AM | Last Chance to Speak at KubeCon + CloudNativeCon North America | 62 | Last Chance to Speak at KubeCon + CloudNativeCon North America 96 CFP closes May 31!… | May 27, 2026 11:04 AM · 62 characters. Last Chance to Speak at KubeCon + CloudNativeCon North America 96 CFP closes May 31!… | |
| May 20, 2026 11:00 AM | 🎙️ AGNTCon + MCPCon North America: Submit to Speak | 49 | AGNTCon + MCPCon North America 2026 Submit to Speak 96 Proposals Due June 7 | Join Us Oct… | May 20, 2026 11:00 AM · 49 characters. AGNTCon + MCPCon North America 2026 Submit to Speak 96 Proposals Due June 7 | Join Us Oct… | |
| May 19, 2026 10:47 AM | ⏰ LAST CHANCE: Cyber Monday Savings in May Ends Soon! | 53 | ⏰ LAST CHANCE: Cyber Monday Savings in May Ends Soon! 96 Only hours left to advance your… | May 19, 2026 10:47 AM · 53 characters. ⏰ LAST CHANCE: Cyber Monday Savings in May Ends Soon! 96 Only hours left to advance your… | |
| May 14, 2026 11:28 AM | Final Call: Join the Observability Community in Minneapolis! | 60 | Final Call: Join the Observability Community in Minneapolis! 96 We are just days away from… | May 14, 2026 11:28 AM · 60 characters. Final Call: Join the Observability Community in Minneapolis! 96 We are just days away from… | |
| May 12, 2026 10:13 AM | 🎮 Mega May Cyber Boost Is Here: Save Up to 65% | 46 | 🎮 Mega May Cyber Boost Is Here: Save Up to 65% 96 Level up your IT skills with first-ever… | May 12, 2026 10:13 AM · 46 characters. 🎮 Mega May Cyber Boost Is Here: Save Up to 65% 96 Level up your IT skills with first-ever… | |
| May 7, 2026 10:05 PM | Call for Proposals OPEN for CNCF-Hosted Co-Located Events at KubeCon + CloudNativeCon North America | 100 | Call for Proposals OPEN for CNCF-Hosted Co-Located Events at KubeCon + CloudNativeCon… | May 7, 2026 10:05 PM · 100 characters. Call for Proposals OPEN for CNCF-Hosted Co-Located Events at KubeCon + CloudNativeCon… | |
| May 7, 2026 11:09 AM | Call for Proposals OPEN for CNCF-Hosted Co-Located Events at KubeCon + CloudNativeCon North America · Resent | 100 | Call for Proposals OPEN for CNCF-Hosted Co-Located Events at KubeCon + CloudNativeCon… | May 7, 2026 11:09 AM · 100 characters. Call for Proposals OPEN for CNCF-Hosted Co-Located Events at KubeCon + CloudNativeCon… | |
| May 5, 2026 11:03 AM | 6️⃣ Days Left to Speak at OpenSearchCon North America! | 52 | OpenSearchCon North America 2026 Last Chance to Speak 96 San Jose, Sept. 22-24 | CFP… | May 5, 2026 11:03 AM · 52 characters. OpenSearchCon North America 2026 Last Chance to Speak 96 San Jose, Sept. 22-24 | CFP… | |
| Apr 30, 2026 11:49 AM | Less Than 2️⃣ Weeks to Save on KubeCon + CloudNativeCon North America | 67 | Less Than 2️⃣ Weeks to Save on KubeCon + CloudNativeCon North America 96 Register by May… | Apr 30, 2026 11:49 AM · 67 characters. Less Than 2️⃣ Weeks to Save on KubeCon + CloudNativeCon North America 96 Register by May… | |
| Apr 28, 2026 10:10 AM | Observability Summit North America Rates Go 🆙 Soon | 50 | Observability Summit North America Rates Go 🆙 Soon 96 Register by May 4 and save $200! | Apr 28, 2026 10:10 AM · 50 characters. Observability Summit North America Rates Go 🆙 Soon 96 Register by May 4 and save $200! | |
| Apr 16, 2026 10:03 AM | 🧭 Navigate Your Path: Explore the Tracks at Observability Summit North America | 78 | 🧭 Navigate Your Path: Explore the Tracks at Observability Summit North America 96 From… | Apr 16, 2026 10:03 AM · 78 characters. 🧭 Navigate Your Path: Explore the Tracks at Observability Summit North America 96 From… | |
| Apr 9, 2026 7:51 PM | Submit to Speak + Register | KubeCon + CloudNativeCon North America 2026 | 73 | Submit to Speak + Register | KubeCon + CloudNativeCon North America 2026 96 The Call for… | Apr 9, 2026 7:51 PM · 73 characters. Submit to Speak + Register | KubeCon + CloudNativeCon North America 2026 96 The Call for… | |
| Apr 8, 2026 11:07 AM | ⏳ 4 Weeks Left to Submit to Speak at OpenSearchCon North America! | 65 | OpenSearchCon North America 2026 4 Weeks Left to Submit to Speak 96 Tell your story Sept… | Apr 8, 2026 11:07 AM · 65 characters. OpenSearchCon North America 2026 4 Weeks Left to Submit to Speak 96 Tell your story Sept… | |
| Apr 2, 2026 10:09 AM | Who’s heading to Minneapolis for Observability Summit? 🔭 | 56 | Who’s heading to Minneapolis for Observability Summit? 🔭 96 Join hundreds of… | Apr 2, 2026 10:09 AM · 56 characters. Who’s heading to Minneapolis for Observability Summit? 🔭 96 Join hundreds of… | |
| Mar 17, 2026 4:01 AM | LAST CHANCE to Join KubeCon + CloudNativeCon Europe | 51 | LAST CHANCE to Join KubeCon + CloudNativeCon Europe 96 Amsterdam awaits. 23-26 March. This… | Mar 17, 2026 4:01 AM · 51 characters. LAST CHANCE to Join KubeCon + CloudNativeCon Europe 96 Amsterdam awaits. 23-26 March. This… |
Based on 75 emails received from Mar 17 to Nov 2, 2026. Times in US Eastern. How we collect