Sixty percent of new managers fail within their first two years (Soar Lead, 2025). That number gets worse in engineering, where the transition from individual contributor to manager is one of the sharpest identity shifts in any profession. You go from being the person who solves problems to the person who watches other people solve problems. Your calendar fills with meetings. Your pull request count drops to zero. And nobody gives you a manual.
What they do give you is access to the company credit card and a vague suggestion to "find some tools that help."
So here's the list. Five tools across five categories that cover the actual gaps new engineering managers face in their first 90 days. Not twenty tools. Not a listicle padded with project management apps you already know about. Five, chosen because each one fills a specific hole that new managers consistently fall into.
One note before we start: if you're looking for general "new manager advice" content, we've written about why new managers fail and what to do when your team doesn't talk. This piece is specifically about the tools.
1. Linear (Project Management That Doesn't Fight You)
What it is: An issue tracker and project management tool built for software teams. Keyboard-first, fast, opinionated about workflow.
Price: Free for small teams. $8/user/month for Standard. Plus tier at $14/user/month adds time tracking and custom views.
Why it matters in the first 90 days: Your first job as a new EM is understanding what your team is actually working on. Not what's in the sprint doc. What's actually happening. Linear makes this legible in a way that Jira never quite managed, because it was designed by engineers who were tired of fighting their project management tool instead of using it.
The keyboard shortcuts alone will save you 30 minutes a week. Cycles (Linear's version of sprints) auto-archive and generate reports. The roadmap view lets you see how individual work connects to team-level goals, which matters enormously when your VP asks "what is your team doing?" and you need an answer that isn't "uh, stuff."
The catch: Linear is opinionated. If your org has deeply entrenched Jira workflows, switching tools in your first 90 days will create political friction you don't need. According to the 2025 State of Developer Productivity report by DX, teams using streamlined project tools report 23% fewer context switches per day. That's real. But tool migration is a quarter-two project, not a week-two project.
Verdict: If you're inheriting a team with no coherent project tracking, or your team already uses it, Linear is the cleanest option on the market. If you're in a Jira shop, learn Jira. Don't die on this hill in month one.
2. Fellow (1:1 Meetings That Actually Build Trust)
What it is: A meeting management platform with dedicated 1:1 tooling. Shared agendas, action items, private manager notes, and AI-generated meeting summaries.
Price: Free tier available. Pro at $6/user/month. Business at $9/user/month with analytics and admin controls.
Why it matters in the first 90 days: The single highest-leverage activity for a new engineering manager is the 1:1. Full stop. Gallup's 2024 State of the Global Workplace report found that managers who hold regular, structured 1:1s see 21% higher team productivity compared to those who wing it. And yet, most new managers wing it.
Fellow forces structure without making it feel corporate. You and your direct report build a shared agenda before the meeting. Action items carry forward automatically. There's a private section for your notes that your report can't see. It integrates with Google Calendar and Slack, which means it lives where your workflow already lives.
The real value is the paper trail. Three months from now, when someone asks about a conversation you had in week two, you'll have it documented. That's not surveillance. That's covering yourself and your team.
The catch: Your direct reports have to actually use it. If they won't engage with the shared agenda, Fellow becomes a glorified notepad. And some engineers will push back on "another tool" for something that used to be a casual chat. You'll need to sell the value, not mandate it.
Verdict: The best 1:1 tool on the market for new managers. The learning curve is almost flat. Start here in week one.
3. 15Five (Continuous Feedback Before Problems Fester)
What it is: A performance management platform centered on weekly check-ins, pulse surveys, and lightweight continuous feedback. The name comes from the idea that it takes 15 minutes to write and 5 minutes to read.
Price: Engage plan at $4/user/month for surveys and analytics. Perform at $11/user/month adds 1:1s, reviews, and OKRs. Total Platform at $16/user/month includes manager training.
Why it matters in the first 90 days: Here's the pattern new EMs fall into: everything seems fine for eight weeks, then someone quits and you realize "fine" was a polite fiction. 15Five interrupts that pattern with weekly async check-ins that surface problems before they become resignations.
Research from MIT Sloan (2023) shows that employees who receive regular feedback are 3.6x more likely to be engaged than those who receive annual reviews only. Weekly check-ins change the dynamic from "annual performance review" to "ongoing conversation." For a new manager still learning the emotional landscape of the team, that's invaluable.
The pulse survey feature is particularly useful in the first 90 days. You can't ask "how's the team doing?" in a 1:1 and expect a candid answer from someone who doesn't trust you yet. An anonymous survey creates space for candor that face-to-face conversations can't.
The catch: Check-in fatigue is real. If you make every question mandatory every week, people start phoning it in by month two. Keep it short. Rotate questions. And actually respond to what people write, or the whole system becomes performative.
Verdict: The Engage tier at $4/user/month is a steal for what you get. Start there. Upgrade to Perform once you're past the 90-day mark and need review infrastructure.
4. Lattice (Performance Reviews That Don't Make Everyone Miserable)
What it is: A people management platform covering performance reviews, goal-setting, engagement surveys, compensation management, and career development. Think of it as the HR operating system for teams that take management seriously.
Price: Starts at $11/user/month for Talent Management. Engagement adds $4/user/month. Grow adds $4/user/month. Annual billing only, $4,000 minimum annual contract.
Why it matters in the first 90 days: You might not run a performance review in your first 90 days. But you will inherit one. Understanding who was rated what, what goals were set last cycle, and where career development conversations left off is critical context that most new managers never get.
Lattice stores that history. OKRs, review cycles, 360 feedback, career tracks. It's the institutional memory that lets you skip the phase where you spend six weeks guessing what your predecessor cared about.
The 2025 Gartner HR Priorities Survey found that 75% of HR leaders say managers are overwhelmed by expanding responsibilities. Lattice doesn't reduce responsibilities, but it does organize them. Competency matrices, review templates, calibration tools. The structure matters when you're still figuring out what your job even is.
The catch: Lattice is expensive for small teams, and the minimum annual commitment ($4,000) means it's a non-starter for startups under 30 people. The modular pricing also adds up fast. If you want Performance + Engagement + Grow, you're looking at $19/user/month. And implementation takes time. This is not a "sign up on Monday, use it on Tuesday" tool.
Verdict: If your company already uses Lattice, learn it deeply. It's one of the best performance platforms available. If you're choosing fresh, the price and annual commitment make it a harder sell for your first 90 days compared to lighter tools like 15Five. Worth the investment long-term.
5. QuestWorks (The Team Dynamics Gap Nobody Else Fills)
What it is: A cinematic, voice-controlled team dynamics platform that runs multiplayer RPG-style quests designed to surface real behavioral patterns. Think of it as the flight simulator for team dynamics. It integrates with Slack for installation, onboarding, coaching, and leaderboards, but the actual experience runs on its own platform.
Price: $20/user/month, 14-day free trial.
Why it matters in the first 90 days: Here's the gap in the four tools above: Linear tells you what your team is building. Fellow structures your 1:1s. 15Five surfaces individual sentiment. Lattice tracks performance. None of them tell you how your team actually works together.
That's a problem, because Google's Project Aristotle research (studying 180+ teams, 250 attributes) found that psychological safety was the number one predictor of team effectiveness, correlated with 43% of the variance in team performance. Teams with high psychological safety were 19% more productive and 31% more likely to innovate (re:Work, Google). The composition of the team mattered far less than how the team interacted.
New engineering managers inherit a team they didn't build. You don't know the dynamics. You don't know who defers to whom, who shuts down in group settings, who carries weight that doesn't show up in a Jira board. Traditional tools can't show you this because they track outputs, not interactions.
QuestWorks works differently. Players take on quests together, and the platform captures behavioral data: who leads, who collaborates, who coaches others, who takes risks. This shows up in QuestDash as leaderboard data with behavioral callouts visible to everyone on the team. Team leads also receive a weekly team health report separately. HeroTypes (public personality profiles) give the whole team a shared language for how they work together.
Two critical details for managers worried about trust: participation is voluntary and opt-in. Quests are never tied to performance reviews. And HeroGPT, the AI coaching layer, is completely private. It never shares upstream to managers. This is important because the difference between insight and surveillance determines whether your team engages or revolts.
The catch: At $20/user/month, QuestWorks costs more than most tools on this list. You're paying for a platform that requires team participation to generate value, which means you need buy-in, not just a budget line. If your team is skeptical of anything that feels like "forced fun," you'll need to frame this carefully. The 14-day trial helps. Let people try it before making it a team initiative.
Verdict: Nothing else on the market gives a new engineering manager real-time behavioral data about how their team functions together. That's not a nice-to-have. For a manager in their first 90 days trying to understand a team they didn't build, it's the missing piece. Start a free trial here.
The Stack, Summarized
| Category | Tool | Starting Price | First-90-Days Priority |
|---|---|---|---|
| Project Management | Linear | Free / $8/user/mo | Week 1 |
| 1:1 Meetings | Fellow | Free / $6/user/mo | Week 1 |
| Continuous Feedback | 15Five | $4/user/mo | Week 2 |
| Performance Reviews | Lattice | $11/user/mo | Month 2 |
| Team Dynamics | QuestWorks | $20/user/mo (14-day free trial) | Week 2 |
The total cost for a 10-person team using all five tools at their base paid tiers: roughly $49/user/month, or $490/month. That's less than one engineer's daily rate. If even one of these tools prevents a single mis-hire, missed deadline, or quiet resignation, the ROI is asymmetric in your favor.
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