🤝
Make a deal with mjw
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
117
Account age
3 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🧰 Free analysis for mjw
📊 Post engagement
5
Avg engagement / post
4.3%
Engagement vs followers
Dec 2022
On Mastodon since
🔥 Top post: FOSSY 2026 toolchain track North America (August 6th – 9th 2026 · 22 likes + reposts
📊 Activity & format
Posting cadence
1 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
1×
Follows 121 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
DWZ 0.17 has been released
https://inbox.sourceware.org/dwz/20260711201828.GF31804@gnu.wildebeest.org/
DWZ now accepts (ELF or GNU) compressed debug sections on input. Contributed by @daandemeyer from @amutable
As an alternative to mkstempat @zatrazz proposed mkostempat a GNU extension and a more flexible alternative to the mkstemp family.
https://sourceware.org/bugzilla/show_bug.cgi?id=19866
https://inbox.sourceware.org/libc-alpha/20260618191140…
Where is mkstempat?
https://sourceware.org/bugzilla/show_bug.cgi?id=19866
I recently wanted to replace some code that did path based open/mkstemp/rename/unlink operations with dirfd at code to prevent various toctou issues with the path ba…
For those following valgrind stable release there is now valgrind 3.27.1 with some (regression) bug fixes.
https://valgrind.org
#valgrind
The SystemTap team announces release 5.5 https://inbox.sourceware.org/systemtap/20260501205207.GA5194@redhat.com
#systemtap
It has been a toolchain release month!
- elfutils 0.195
https://inbox.sourceware.org/elfutils-devel/CAJDtP-Qok4ViNzvrr28WgkCCqrFH0iAZStiD8C7nbpDhrPzLWA@mail.gmail.com
- valgrind 3.27.0
https://sourceforge.net/p/valgrind/mailman/message/593…
#valgrind 3.27.0 released!
New options for helgrind (--show-events and --track-destroy), new SSE4.1 instruction for x86, support for s390x z/Architecture features from 15th edition, integrated binutils objdump for s390x disassembly, new li…
Anticipating #valgrind 3.27.0.
There are two new client requests (macros defined in valgrind.h) https://valgrind.org/docs/manual/manual-core-adv.html#manual-core-adv.clientreq
- VALGRIND_REPLACES_MALLOC Returns 1 if the tool replaces mallo…
A lot of code in #valgrind 3.27.0 to support MacOS was previously maintained by Louis Brunner out of tree https://github.com/LouisBrunner/valgrind-macos
Anticipating #valgrind 3.27.0.
Paul Floyd @paulf had more commits than all others combined for this release. Paul takes care of the alternative toolchains, Solaris/illumos, FreeBSD and Darwin/MacOS ports.
Tested Oracle Solaris 11.4, OpenIn…
Anticipating #valgrind 3.27.0.
Martin also added Valgrind address space manager support for tracking linux kernel lightweight guard pages, created through madvise (MADV_GUARD_INSTALL).
These guard pages are very low overhead for the kernel…
🐘 Community & instance
Home server
mastodon.nl
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Dec 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 5 views per post.
📤Posts about 1× per week.
🕵️ Fake follower check
Estimated89/100
Excellent
Credibility score
99%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 99% real, active audience · Low fake-follower risk.
- Strong engagement (~4.3% of followers engage each post) — an active, real audience.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Mark J. Wielaard
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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